After plants, now morphology and anatomy It is important to understand animals. So any one Animals Frogs Yes Morphology of Frog And we will understand anatomy in structural Organization in Animals. Hello everyone. I hope all of you You will be fine and today I have brought the class 11th biology structural organisation in One shot video of animals. as usual In this video, we will finish this the whole lesson and as always this whole Your concepts after watching the video It will be crystal clear. So I am the light From Learn Hub The Free Learning Platform where you can study physics, Chemistry, Maths, Biology everything Absolutely for free. only learn hub.com Is everybody ready? let's get Started. then we will talk like children We are talking about structural organization in animals. then first of all you will think that friend in these What are the building blocks of animals? Sales. Yes. Cells are the building blocks Our. Ok? Now some animals are like this which are very, very simple There are animals. It is so simple that it is just Are made of a single cell. whom we They are called unicellular organisms. Exactly like an amoeba. Now this kind of what happens in organisms that a There is only one cell so all the work is done by that one cell has to do it. So the story went something like this If there is only one child in the entire class. Such There are classes too. Assume it happens right now To understand this, suppose there is such a class. There is a section in class 11th where There is only one child. now if only one child So whatever work will be done if Teachers Day If you want to celebrate then everything That one child has to shoulder the responsibilities Is. Right? Whatever happens day to day in class Activities are all things for that one child has to be done. Right? Because he has more There is no helping hand. But On the other hand, as soon as we study such organisms, Let's talk about something that's made up of a lot of cells There are. those we call Multicellular Organisms. What happens there? Now Brother there are so many sales. now in class one There are 50 children instead. Now there are 50 children. Brother, it's going to be fun. because now these 50 What did the kids decide that let's go friends Let's form groups amongst ourselves. 10 children formed a group. They said that Ok brother cultural program for teachers day We will handle it. 10 children formed another group I made it. He said friend let's go okay We will arrange for the snacks. 10 more The children formed a group. They I said friend, I will take care of the decoration. So now What happened here? The work that is there divides Have become. Right? And this is what we call division. of Labor. Meaning the hard work should be divided Went among different groups. And Exactly this is what happens In Multicellular Organisms. so like As soon as multicellularity comes in, it comes in the same way Goes to Division of Labor. It means to speak that these are a lot of sales These cells in multicellular organisms also form groups among themselves and then performs a specific function. Like if we talk about the human body There are billions of cells in our body. Right? But these sales also have their own Groups have been formed. Right? Some sales have together there are some muscle cells in them too He is performing a particular function Are. Now suppose the kidneys that are still intact There are some specific cells inside which are performing a specific type of function Are. Right? So, what is inside our body They are performing different functions all these cells are divided amongst themselves by performing all those functions Are. I mean to say it like children We study the structural organization of animals. If we talk, what do we see there Are? Starting from the very basics Are. There we start the story with sales We do. one of the unicellular organisms The same cell which performs all the functions Is. Whether it's digestion, whether it's Excursion, whatever the function He will perform only one sale. in multicellular organisms it would be Division of Labor. now multicellular In what way the level of There is an organisation. Let's see that. So Brother, we are like any multicellular organism What happens in kids? that these sales Isn't it true that they say that friend, do one thing Yes, let us form groups among ourselves. So whichever sales are similar in structure and perform similar functions they all form a group And what do we call such a group of cells? Are? Tissues exactly. Right? So let's go Let us take an example from inside our body Let us understand all these levels. So now Some cells inside the human body said that Friend, we are all the same. we now we The functions are also going to be performed the same. So let's make friends. we are a group Let's make it. And such a group of sales Together we made lung tissue from let us. Ok? So now the structures of all these It is similar and all these are similar are going to perform a function. now just like that several tissues came together and they Created a group and created a group like this Tissues combine to form organs Let's say there are many lung tissues like this What do we make when we get together? One we make an organ which we call Lungs. Yes. So lungs are an organ. Lungs Made up of many lung tissues. And this which Lung tissues are made up of many cells Are. Did you understand? Ok? Now many such organs that come together to form Organ systems. Exactly. Now the lungs which Isn't it so? This is an organ. But the lungs just like many other organs combine together to form one The entire organ system we call respiratory Whatever they call the system, they make it. Now if If you want, you can see for yourself that Bhai Human Respiratory system which is our only It is made a little from lungs. Now as we call air When you breathe in, the nostrils get involved Is. Isn't it? The wind pipe is involute, The trachea is involved. Right? so many of Things are involved. a lot of different Organs are involved. and many more like this Organs together are called an organ system Creating a respiratory system. Correct Is? and many such organ systems when together If we meet then let's make one Organism. There are so many organ systems Like there is digestive system, reproductive there is the system, there is the excretory system, There is the circulatory system. So many like this Organ systems combine to form one Organism means a human being. Right? So what did we see, kids? that like Here we can see the structural features inside an animal. When we look at an organization, what do we see? Are? Starting with the basic building blocks I mean, from sales. Create sales by grouping these are tissues. tissues are formed by grouping Organs. Organs are formed by groups Organ systems and multiple organ systems groups And then we create an organism. Now The next question that comes to mind is whether Are all tissues similar? and strait Forward its answer is no. no way. We told the children in class ninth in science. I had already read that plant tissues and animal How different are the tissues from each other There are. infact plant tissues have their own There are classifications. in the same way animals Tissues also have their own types. Correct Is? So if we look from above then brother Plant tissues are mostly dead There are tissues. Why? Because the plant The major function of the tissues is to Has to provide mechanical support. Plants Those are supportive tissues. Right? The second thing is that in plant tissues The growth is in a specific region It is limited. that is why we plant what do you notice in the tissues that Dividing cells are those cells that divide By dividing they create new cells The regions are localized. Such dividing cells are found only in some places They are present. but on the other hand As soon as we talk about animal tissues Brother, the story becomes something else. Animal Tissues Are Mostly Living Tissues There are. Yes. The growth here is There is a uniform. Like if we are a human Talking about being, there is a little baby. He is a very tiny baby. he is as big as when one becomes an adult then the growth that happens It happens uniformly. Right? It's not like that that his height is only increasing Is. Right? He has hands, feet, fingers everything is increasing proportionately Is. So, we need a uniform for animals Growth can be seen. infact animal the growth that happens in the tissues that is Sort of uniform. If animal tissues If we talk about their types then here But we have majorly four types of animal tissues I have read about it. epithelial tissue, connective tissue, muscular tissue and Nervous tissue. infact inside our body All the organs are present in these from one or more types of tissue Are made. where we see epithelial tissue If we talk about it then it is for our body The outermost is in the covering. Like skin. When we talk about connective tissue The most classic example that comes to mind is it is the blood which is present in our different bodies Let's connect the parts. a muscular As soon as we talk about tissue, then muscles Brother, the muscle cells together become muscular forms the tissues that make up our Movements are possible. and finally nervous tissue, which is the nerve cells These tissues are called nervous tissues. Ok? Now if we look at our body organs let's talk about infect for instance if we If we talk about heart then heart is the heart of our body There is an organ that contains all four types of tissues It is made of. The Outer Most of Yes Heart We also find epithelial tissue in the covering. Will go. There is obviously blood inside the heart yes friend. So that means connective tissue is also there But it is. A is also muscular tissue. yes Absolutely. because you know your heart that it contracts and relaxes Possible only due to muscular contraction It can happen and the nervous tissue in the heart also Is. So all types of tissues that are We get to see it in the heart. So my dear children structural A Basic of Organization in Animals We have taken the idea. So let's come now Are straight to the point. But our issue is What? Our issue is Frog's Studying morphology and anatomy. Correct Is? Well, if we talk about morphology, then external body parts or external Study of structures. If we say anatomy Internal parts or internal structure study of. So what are we going to do today? First let us see what Brother Frog has to offer. are there parts? which organs Are they there? etc. after that you will see that How is there a difference inside the frog? There are organs. what was their function Is? What is the digestive system like? What is the respiratory system like? etc And so on. Ok? so this is our plan This is today's. Ok? So brother, before we Let's start the discussion about frog. I want I hope all of you will participate in this entire event with the same enthusiasm try to finish the video today today, today, right now, along with me in this You will finish the entire lesson. Ok? So If you watch this whole video with me... Then this whole lesson will end on its own. Will go. Ok? So, as many children as After deciding, now watch this video further. Will we start or do the structural work today itself? Concept of Organization in Animals Crystal clear. He quickly said the same thing Write it in the comments. Everybody write it down quickly Two types of structural organisation in animals Will do the concept crystal today itself clear. Ok? So with this same enthusiasm, with this Now we will move forward with motivation and Let's start with the story of the frog. Lot's of Kids often ask me this, ma'am These are your one shot videos, are they It is completely NCERT based and my The simple straight forward answer is yes. so this In these one shot videos, we ensure We are providing all the important information of NCERT Concepts cover all topics. So That is why all the children preparing for NEET I am specially for NEET aspirants I would like to tell you that for preparing for NEET Your first step should be to watch the one Short videos. and watch these videos During this you will have your NCERT open in front of you. Please Keep. So while watching the video, everything You don't need to write down notes Is. Instead you keep looking at NCERT. Keep underlining important lines. Some? If you get extra points then pencil it in there Write it down on paper or in your rough notebook Take. but eventually watch the full video Times. After that complete NCERT chapters Do read it once. Right? When you give this If you step in then you should understand that someone also chapter for example if structural Organization in animals is a part of this chapter Talking about it, as soon as you watch the whole video in one You will see it once, read the whole NCERT once If you take then you have to do basic preparation for 11th Be it for school exams or NEET There should be a basic preparation for the preparation Is. Then you can look at your reference books. You can. You can read your advanced NEET lectures You can see the videos. after that you can appear for neet You can watch videos of Jeet series. Our You can solve PYQ on the same channel and More practice questions, sample papers, all Can you solve something? Ok? so this is me I want to clarify this question because Many children keep asking in the comment section Are. So I thought I would let you know this. Ok? So let's back to the topic. and now Whose topic is our going to start with? of the Frog. Exactly. So first of all let's Let's introduce the frog. By the way So the frog doesn't need an introduction. Isn't it? These are present in our surroundings only and We have seen them live. But Still let us introduce the hero of this movie. That is, the lesson of our today The very center of attraction is that frog. So let's introduce the frog. And First of all, we will say about them that These are vertebrates. Exactly. Among these Structure with vertebral column present It happens. That's why they are vertebrates. Their next feature is they are cold Blooded Animals. Do you know about cold? What are blooded animals? whose blood It is cold. Not Really Cold Blooded Animals are animals whose bodies The internal temperature of is constant Does not happen. that is, their internal It is the temperature of their body that is surrounding them It keeps changing according to the temperature. That's interesting isn't it? so such We call animals cold blooded animals Are. Infact another term is used for this Which is done? Poikulothums. A Poikulos this word means varied. whatever thing you keep varying, keep changing and Thermo obviously comes from heat. So its means the temperature of such an organism He keeps on opposing. According to the surroundings Changes keep happening. Ok? So a if we Talk about yourself If we talk about humans then we are warm blooded animals because our The temperature of the body remains constant Is. It is not that even if it is hot outside, our Will the body temperature change or will it be cold outside? If so, our body temperature will change. So for a normal human being who is normal There is a body temperature that is fixed There is value, right? So that's why we're warm-blooded Are. Come on brother, leave us alone. coming back It's about the frog's story. Ok? So Frog If we talk about habitat then frog These are found in both land and water Are. That is why we call them Amphibians. Yes. Well now if we talk about one of their big About the Unique Abilities That Frogs Can Have Camouflage. What is camouflage? Perhaps Many of you children might have heard it. Camouflage means that it hides its color You can change the situation or the surroundings in a manner. Meaning, suppose if the frog sees that my brother is worthy of eating me up There is some organism coming upon me Can attack. Right? So I have to avoid I need to or I need to hide. So What can they do? These are your surroundings You can blend yourself with the color of Are. Meaning if it is in between trees and plants If it is then the color of the body itself is also greenish You can change the colour. if these stones if it is in between then this is the color of your body Can change accordingly. Meaning Define yourself with the background color You can get it blended. and this property We say camouflage. Now look at doing this In a way it is a protection There is a mechanism for this. Right? So this which It has a protective coloring mechanism and is known to many Also called bar mimicry. mimicry is What does the word mean? copy down. Isn't it? So what are the frogs copying here? are you doing it? the color of your background They are copying it. Exactly. So we make this It is said that camouflage is a special have the property that we find in frogs It can be seen. if we If we talk about his food habit then this Carnivores occur. yes this is flash eating There are. these little animals, They feed on small insects. Correct Is? Now let's talk about a very important What is sleep about? Frogs the sleep patterns that We get to see something special in it. You will you observe that these are frogs You may be affected during peak summers or peak winters Are not visible. means when The temperature is too high or too low. Frogs come to see us in extreme weather Are not available. Why? because peak summers Or in peak winters they stay inside their burrows Do you go and understand? Right? under the soil Neither do we form our own borough nor do we obey our elders They go inside and hide. So we make this It is called summer sleep or winter sleep. I mean brother during the entire peak summer this did you go to sleep in your burrows or did you Go to your barn and sleep like this during winter Went. So this is summer sleep and winter sleep We see this in frogs. A word is used for summer sleep is estivation. One Word for Winter Sleep Hibernation is used. hibernate which The word itself means to pass Winters. So that's why for winter sleep It has been used for hubnation and summer sleep It has been used for aestivation. Ok? So brother, we got to know some things about frogs about. So come on brother, you must be having fun. Now Let's move the story forward and then see More fun facts about frogs We will get to know things. So let's see now This is the scientific classification of frog. So frog belongs to kingdom animalia To. ofcourse phylum chordate class amphibia Because it lives in both land and water. We do. That is why it is called Ephebia class I belong. The genus is Rana and the species is is Tigrina. Infact in India there are many frogs Many species are found. But who The most commonly found species is Rana Tigrina. So let's now see some pictures of frogs Basic Characteristics. now frogs If they are chordates then their Characteristics also similar to chordates There will be characteristics only. it's obvious Is. Isn't it? So, such characteristics We have discussed a lot about animals In the video with Kingdom. Ok? So let's go A quick walk through the basics of frogs Let us look at the Chordata characteristics. In the first body we need complex body Differentiation can be seen. Absolutely. These are coelomates, that is Coelomic cavity is present. are triploblastic. Meaning triplo try try three body bani hoti It is made up of three layers of cells. ectoderm, Mesoderm and endoderm. Talking about the cemetery If they do, they are battery symmetrical. That is, if we divide it laterally then If we say bye then we get two symmetrical halves Will go. If we talk about its uniqueness then Nototochord is present in them. Off Of course brother belongs to Cord. This much Not only this, it is hollow on the dorsal side i.e. the back side The nerve cord is also present. and so much Not only this, brother, they are present in them Paired pharyngeal gillslits. Now this which Paired pharyngeal guilts are these in us adults Not much functionality to be seen in frogs It is available. But their larval stage i.e. that this is in the tad pull stage They are functional. What is their work? Their work is to exchange gases. The gaseous exchange that takes place during respiration It happens, these help in that. and this Helps in filter feeding. Filter What is feeding? means that which is in the water It filters out the food particles And then we arrange for our food. So This helps in filter feeding. Its apart from very basic things like There is a complex body differentiation, friend. So Organ system is a level of organization That means inside frogs we find different Organ systems can be seen. As that digestive system, respiratory systems, reproductive systems etcetera. Ok? And these are mobile. off course They are able to move from one place to another. So let's get started now my dear children We will tell the story of morphology of frog. Correct Is? So now we will learn about the body parts of a frog. External Features or External Body Let's talk about the parts. To all First, let's talk about skin. Their Skin becomes smooth and moist. for what reason From? Due to the presence of mucus. Mucus that It is a slimy substance. Now for the mucus Because of being present, the skin they have That too is a little moist and smooth. Correct Is? If we talk about his overall body So we can divide it into two parts Are. Head and trunk. We see that Neck and tail are not present in them. In frogs, their eyes are Bulging out Bulging out came out like this There are eyes. Now you may ask ma'am Frogs are found both on land and in water they live. So these are the bulged out eyes These are directly exposed to water Are. So don't you think about their protection will be needed? absolutely necessary and because of which there is a membrane present which is called we call it the nictitating membrane cover their bulging out eyes with water Let's protect. Not only this, frogs I can say behind their eyes or of their eyes next to it you say we get to see a and the membrane structure is what we call Tympanum. Tympanum which is the function of ear drum She does. Meaning this is an auditory receptor. They receive the sound signals and just like we have ears because of the tympanum Likewise, they have tympanums, which make them Because of which they are able to hear the sound or Then we can receive the sound signals. If we look at their bodies, we will see that on its dorsal side i.e. the back There is a dark irregular side in it Spots are present. infact if If we talk about the color then which is on dorsal side or back That side is generally olive green in color and which is on the ventral side or inside The lower side is generally pale It is of yellow colour. an interesting thing Let me tell you about frogs. do you know that frogs live in water like us I don't drink. They absorb water are through their skin. Yes. So let's see now We are their organs of locomotion. Brother We have already seen that frogs are a Can move from one place to another. Now Brother, which person is in this type of locomotion? Are there organs? What are those weapons that Do you help them? this is not a weapon Is. These are basically their organs. so such He has three organs. Four Lims, hide limbs and webbed feet which Helps in locomotion. If we talk about Regarding the four limbs, we see that their There are four limbs, these are used in walking and Helps with burrowing. Such as burrowing Do you understand? In digging the ground like this. So Helps with burrowing and walking. In fact, if we look carefully at his four limbs, If you look, you will see four digits in them see you. Four digits means one two three No digits with four. the way our The four limbs have fingers. Five We have fingers in each of our hands. In the same way, frogs have four limbs They have four digits. so four Digits are like four fingers. Ok? Now If we talk about their hind limbs then their Hyde Limes are bigger, more They are muscular. And these have five Digits. These have five digits instead of four There are. And what is their job? To help with hopping and jumping. See That's why they are more muscular. That's why there are such big movements These help in jumping and hop Are. and finally which is their third organ of Locomotion is via webbed feet. Now if you If you look at their feet carefully you will see You will see that they are feet connected together. So these webbed feet help them in swimming Let us help you. Now brother, locomotion too Do this on both land and water Is. Is it or not? So that's why it's the same way Should also be equipped with. Isn't it? Now brother While we are talking about morphology Here we also talk about their reproduction they do because the reproductive structure We also see something different in terms of Get these frogs. infact mostantly In Frogs we get to see Sexual dimorphism. Now you will think that what is this? Sexual dimorphism. die bole toh to morph is related to again Morphology Structures. so here we are let's see which are the two sexes That is, those which are male frogs and those which are female These are frogs, their appearance varies Is. Right? so you can distinguish Looking at the structure between a match A frog and a female frog. How? Two Majors From things. The first thing is the sound Producing Vocal Sax. which is the mail It is present in frogs. Where Is it presented? You understand this is a Has an elastic pouch type structure Which is attached to the floor of the mouth. Ok? So what is their job? Whatever sound is produced by the vocal cords They amplify that. Correct Is? Amplifies the sound. Now this Sound plays a very crucial role in the Process of reproduction. what would have worked Is? this is the sound, this is the sound it is produced, this is used to Attract their mates. mean male frogs who This is how they attract their mates By sound. so that bases a lot of it It has important significance. Ok? So This is the first thing. what happened first Thing? sound producing vocal sax which Mail is present in Frogs. Second the thing is the copulatory pad which again Mail is present in Frogs. So if First digit of the four limbs of male frogs should be looked at carefully. listen again. Match Meaning of First Digit of Fore Limbs of Frog If you look carefully at the first finger Copulatory pads can be seen there Is. The copulatory pad is an adhesive structure It happens. means there is a structure like this Where things can stick. Ok? This way There are adhesive structures where During the mating process the female frog it happens to hold it or grasp it It is done. you are using that adhesive Structure. That is why we call it copulatory pad They say. So if you look at it, these are two Structurally, there are two things that match. It is present in frogs but in females Frogs don't have a present. This This is why we say that frogs have Sexual dimorphism occurs. So let's go Kids, now we are going to talk about The Anatomy of a Frog. so far look at what we have All the things that were discussed what was it? There were external structures. Right? Like we saw how Brother Frog's eyes Are they there? Enkay Four Limes, Hide Limes How are they? Tympanum is basically all of these What are external structures like? Now In anatomy we will see that the frog has The internal structures inside the body how are they? how is that Is it organised? What is their function? Correct Is? So to understand this anatomy, we What will you basically do? Jitney Inside the Frog There are also organ systems those organ systems Will read it. because as soon as we If you study the organ system then it is obvious about the organs involved in it will read. their structure and their functions We will read about it. Isn't it? So What will be our agenda for now is that the frog of the digestive system, respiratory system, circulatory system, nervous system, Reproductive system, excretory system about all these organ systems Reading. So let's go through all these organs one by one Understand the systems. So let's get started brother Let's do it with the digestive system. So Children I have already told you that frogs the food habit which is their Nutrition is Carnivorous Mode of Nutrition. that is, this flash Eating happens. these small animals and They feed on insects. Ok? Now We know that the digestion is There is a process, it is easier. Means it It is easier to digest than to flush Plants. Why so? Because the people who are vegetarians or those who Those who are herbivores are plant based food eat and have lots of plants cellulose is found in significant amounts and Cellulose is very difficult to digest It happens. So this is the reason why flash eating happens If there are animals then they can digest the flash It is easy to do. So now the case of frogs in that these are carnivores this is flash eating Is. So here also the digestion is there It is comparatively easier. So we see when The digestive system of the frog is We see that their intestines are Isn't it comparatively shorter? Like the intestine in human beings it's a coiled structure but it's very It is tall. Right? but here in The intestine is comparatively shorter. Because of which the overall alimentary canal Yes, that too is shorter. Now let’s see this which ones are there in the alimentary canal There are parts. so the first part where the food intake is from that is Mouth. After the mouth comes the oral cavity which is called We call it the buccal cavity. comes again Pharynx. Then comes the esophagus which we call Also called food pipe. then stomach, then Intestine, then rectum and then cloaca. Now what is the function of all these parts? Is? How does food go through all this? and how does digestion take place? Let him Let's see. So let's now look at the frog A little more detail on the digestive system In. So the first part is the mouth. Because Food is taken through the mouth which is the body of the frog I enter in. Exactly now from the mouth Where does the food exactly go? Our Mouths in the cavity inside what we call Buckle cavity exactly. Ok? Buckle Where does food go from a cavity? After that this goes into the pharynx. ferins which is this It is of muscular nature. infact its Due to its muscular nature, which Food is produced because of the muscular movements what we are able to swallow, swallow and finally takes it to the food pipe can send it. Ok? comes again The esophagus, which is a narrow tubular food pipe It happens. It is thin and short. infact In the case of frogs there is a short food pipe Is. And what is the function of this food pipe That it transports the food to the stomach. Correct? So after the esophagus, the stomach comes next. The stomach is the place where digestion takes place The process begins. Now about digestion What happens to kids in the process? Who We have complex food. Right? Our Meaning whatever food the frog has eaten, it any small insect or small animal Right, so it is a complex food. Now that Breaking down food. now that food There are carbohydrates, proteins inside Yes, there are fats. a break from all that Downing that is digestion. Right? So The process of digestion begins In our stomachs. Not ours but the Frog's In the stomach. Ok? so in the frog's stomach Digestion begins. But this is the beginning Who does it? Obviously this breakdown We need enzymes to do this. Right? So now the frog's stomach, HCL is secreted from the walls of the stomach that is hydrochloric acid and gastric Juices. And this is the process of this digestion Let's initiate the . so here is the stomach The food inside is partially digested goes. Digestion is not complete But it gets partially digested. And This partially digested food is called Hey Khaim. Yes. This is called chyme. So now Where does this Kaim go? of the stomach After that it reaches directly in the intestine In. now right here in the intestine kids Digestion is complete. now digestion of carbohydrates to be complete breakdown, breakdown of proteins, fats Everyone needs to have a breakdown Is. Right? so now so many things We need enzymes to break down I need lots of them too. Is it or not? Absolutely Needed Now it would be inside the frogs body It is the liver which secretes bile juice And this bile juice stays in the gall bladder In. Exactly the same way another one happens gland which we call pancreas and this Secretes pancreatic juice. Correct Is? Now this pancreatic juice and bile juice Which is through a common bile duct. Bile Duct means a tube like structure Understand this. access through a bile duct They go into the intestines. because that is it Enzymes are the ones that ensure our complete digestion I am going to help. How? this is what bailey These are juices that digest fats Are. and this is the pancreatic juice proteins and carbohydrates I am going to digest it. Ok? So this the way this completes the digestion This is the process of digestion which is complete It's a process, it gets completed In the intestine. Ok? So as it is Look, we are watching this process of digestion Hey kids I think you will be able to relate that our human digestive system It is quite similar with the process also. Right? also in the human digestive system To a large extent, the same process is going on It happens. Isn't it? So brother in the intestine The frog's digestion work is over Done. But the food got digested but Having an empty digest is not enough. Right? Now the body has to absorb that digested food. It has to be done too. Only then do we need that digested You will get energy from food. Is it or not? so this The process of absorption that is also It starts in the intestine itself. How? The inner wall of the intestine is inside The wall that is there has small Finger-like projections are presented Are. which we call vila or micro says Vilai. So with their help The absorption of digested food also begins. Correct? Ok. Very Excellent. But it is not as though That frog ate all the food It has been digested. Some of the food is like this This is what remains undigested. Now which It remains undigested inside his body So there is no work friend because The digested food gets absorbed Inside the body. But we consume undigested food You can't keep collecting it inside the body Are. Right? So now this undigested food which It reaches the rectum. and rectum from this through the cloaca which is a The external opening is from the frog's body Towards the surroundings. So through Clovacka Whatever it is, it comes out of the body. Just Like anus in case of humans. Now Humans Even in the case of undigested food How does it go out of the body? Through the anus Joe that there is an opening. just like the frog cloaca is present in case through undigested food which is from the body She goes out. Ok? so kids this The frog's complete digestion is done System. Now look, as soon as we finish this If you look at and understand the digestive system Find yourself inside the frog's body These structures that are going to be be it stomach or esophagus or intestine or liver or pancreas, all of them We also get an idea of structure and function Went. Is it or not? Come on my dear children Let's go ahead and discuss it now The Circulatory System in Frogs. Ok? what is the circulatory system like Into frogs? Closed circulatory system It happens. Closed circulatory system spoke So all these things from Animal Kingdom, brother I read it in the video but it's ok recap I will keep giving it to you. of the closed circulatory system It means that the blood inside frogs It flows through the blood vessels. I mean we have seen a lot of such animals too Where the blood is lying just like that. meaning it just spreads like this and the organs They would be floating in the blood like this Are. This is not the case with butt frogs. In the case of frogs there is a closed circulatory system System. means the blood is confined Inside the Blood Vessels. Ok? here here But blood and lymph are separate. Now Why am I telling you this? Because We have already seen some such organisms Inside the animal kingdom, where blood and The lymph is mixed up. Such as insects exactly when we talk about arthropods we were talking about insects so there The blood and lymph used to be mixed up And we used to call that fluid hemolymph. However, there is no such story here. so what's the story here that blood is it's inside the blood vessels and the blood The vessels are flowing through only. Correct Is? So in the case of frogs the circulatory What are the components of a system Are? First of all, there's the heart. then there's blood Vessels. Then there is blood. Then there is lymph, then there is There are lymph channels and lymph nodes. Ok? Now This includes the heart, blood vessels and blood. These All three together form the blood vessels System. On the other hand, lymph, lymph channels and Lymph nodes together form the lymphatic System. Ok? now blood vascular system What is the work of? That is what we know To circulate blood throughout the body And what is happening through the blood? Very Things are being transported through The Body. different parts of the heart In the body, from different parts of the body In the heart. Isn't it? on the other side, the lymphatic It is a system, it is a very important role Plays children. to fight against Diseases. Although, for now, this video Our focus in this chapter is That's on the frog's blood vascular system will remain. That is, what will we discuss? We We will discuss heart, blood vessels and Blood. So kids, let's go ahead and Let's discuss about it in a little more detail The Blood Vascular System. blood vascular What things were in the system? Blood, Blood Vessels and Heart. Right? Now the blood Who will carry it? Blood vessels. And who pumps will he do it? Heart. Ok? so one by one Let us know about all three. First of all Heart. The heart is a muscular organ Is. It is a pumping organ. Exactly. If we look inside the heart If you look at the structure, here is the heart which these are divided into three chambers Are. Like the human heart. Our Joe Hart It has four chambers. Two auricles and two ventricles. butt here The Frog's case has three chambers. Two auricles but only one ventricle. Correct Is? What are good oricles? Oricles There are receiving chambers. That means this is Receive the blood. ventricles what Are they there? Pumping chambers i.e. this blood Let's pump out the. How did we remember People? I used this as a memory trick from another It is also explained in the videos. tell here too I will give it to you. A I R Air, A I R Orical Is Receiving. So the auricle is the receiving chamber. VIP means ventricle is pumping. So You will always be remembered by AIR and VIP that the auricle is the receiving chamber and the ventricle This is a pumping chamber. Ok? Its Apart from this, if we look at the structure of the heart So we see that there is a membrane outside it which is for the protection of the heart It exists and we call it pericardium. We will talk about blood vessels. Ok? Those who carry blood. So Here we see two types of blood vessels Are. Arteries and Veins. Ok? what would have been is this it? All these terms are very important for you. It is not very new because cases of humans are In the case of the human circulatory system We also read about all this. Right? So anyway the heart is made up of arteries What do they do? arteries which are Carries oxygenated blood. elder Listen carefully. listen with love Children. because these small These are the concepts, right? That's all you have left Let's build the concepts. Ok? So Arteries carry oxygenated blood. Oxygenated blood meaning is known by the name hey friend blood which is rich in oxygen In which oxygen is present in large quantities yes. That is oxygenated blood. Good. So Arteries carry oxygenated blood Are. Ok? So this helps oxygenated blood Where do you carry it from where to where? There are arteries. These are different parts of the body from the heart I carry it. Ok? So will you remember it? I will definitely remember it, but how will I remember it? Its For that I give memory trips. Come come Right? Come on, I am not calling you. Come Arteries from O.A. Oxygenated blood from O. Ok? So arteries carry Oxygenated blood. Remember this. Second Remember HAB means from heart Who even carries the body parts? Arteries. then it will carry arteries from the heart Up to body parts. Ok? So just this thing If you remember, everything about Vance was the opposite. Will work. Then it will be remembered automatically. Ok? Come on, remember this. that is, arteries Carries oxygenated blood. From where? How far does it carry? have heart say body In parts. Did you understand it? Ok? Now Think logically and see. Now the blood from the heart He must be coming out very high He must be under pressure. Right? Because brother What is End of the Day Heart? Pumping Organ Is. It will pump very fast. now so much Blood flow is going to increase due to pressure. because of that The walls of the arteries are thick There are. Right? so very fast very Even if blood flows in it due to pressure Don't face any problem. So imagine it like this. Suppose you have a pipe. Now that pipe If water flows very fast from inside the is going to flow and if that pipe is What if the wall is very thin? It will burst. Isn't it? so that's why for arteries In this case, the walls are thick There are walls. Correct? so many of Arteries together form an arterial system Let's make it. Did you understand it? Let us go. Now the talk Will do Vance's. Now look more into the veins There is no need to explain anything. Everything It will move backwards through the arteries. Ok? So What does Vance carry? These Carries deoxygenated blood. Opposite of arteries. deoxygenated blood what happens? those who have oxygen in their blood The concentration of is less. Right? Look now What is the function of blood? our blood is full Flows into the body. What is his job? To transport. What kind of transport to do? The blood carries with it gases, Transport of nutrients, of everything He does. Right? Now, these are the gases We also use different body parts. Oxygen is used by every cell of our body. It does, right? For respiration. So As oxygen gets used up, it What will happen in the blood? of oxygen The concentration will decrease. So we call this kind of blood That would say deoxygenated blood. Ok? So Veins carry deoxygenated blood. Now where does Vance carry from? They Also opposite to the artery. That means this body Carry it from the part to the heart. Meaning Veins which are from different parts of the body Where to carry deoxygenated blood Do you take it? leading to the heart Are. Ok? now here its The direction itself is opposite. This is towards the heart going. so obviously the blood in it It is flowing at such high pressure It is not flowing. Because of this, we see that the walls of the veins are thick They do not happen. Those are thin valves. There's one more thing going on in Vance though. Valves called semilunar valves present which prevent back flow of blood Stops it. Right? Because this is what This is deoxygenated blood, what should we do? Want? We call these different parts of the want to take it from the body to the heart Are. Right? So it is important that this doesn't happen brother that somewhere in the middle of the way it returns back They should start coming. Right? So that this doesn't happen. Because of that they are present in Seminer Valves. Ok? So these were Our blood vessels. now see the story Whose? Of blood. So let's talk now About the blood. So the blood About the components. Ok? So Four components are seen in blood Are. blood plasma, RBCs, WBCs and Platelets. Ok? So RBCs are the red blood cells Sales. These are the cells that are nucleated. That is, in these Nucleus is present. These also called erythrocytes and these include Contains hemoglobin. Ok? On the other side which are WBCs i.e. white blood cells There are. What are these? their main job It is to fight against infection and We also call them leukocytes. End Finally blood platelets whose main job is This is done to prevent blood clotting. These I am going to tell you everything quickly Because all these blood components They are also present in human blood. And We have discussed all these things in class 10th Science. I have read it as well. As important as ever these are things, whatever their function is I Anyways I am telling you. Blood Clotting What does it mean to prevent? Like you must have noticed that brother there is a cut somewhere right blood comes out but what blood It keeps going on for an indefinite period of time it isn't, because if that keeps happening then All the blood in our body is it would have come out through that cut but not like this It doesn't happen if there is a little bleeding Later a blood clot forms from there Which prevents further bleeding So whose blood clotting is this? This happens because of platelets. Ok? So these are the components of blood. Now the most important thing is that when we Discussing the Circulatory System So what is the main thing we want to discuss there Are you going to? Circulation of blood. and a lot The important question that comes to mind is that what is the blood Why does circulation happen? why necessary Is there blood circulation in the entire body? because what else comes along with this blood Are you being transported? of this blood being transported together Nutrients, gases which are essential for every part of our body It is very important for a sale. Right? so this is the way to end this is why we call the circulatory system which is our Promotes circulation of things throughout the body Is. Right? So come on kids, let's go now You will see that there is blood inside the body of a frog How does circulation take place? now then We have understood that these blood vessels Will carry. the heart will pump and the blood will yes it will flow. These three things we I understood it. but this is exactly this movement or exactly this coordination How will it happen or how will the circulation happen? Let's go that Let's see. So let's see that now How does blood circulation occur in frogs? Ok? treat it with great care and love Listen children because it is very important This is a concept. Ok? Once if this If you understand, then the whole circulatory system is very It will seem easy. Correct? Let's get started. So Brother in full body parts deoxygenated blood occurs because the entire The cells of the body parts have You must have used up the oxygen For their own work. Isn't it? So now this is This is deoxygenated blood, who will carry it? will he do it? Which blood vessel is deoxygenated? Does he carry it? Vance carries on. So Vance Where does this deoxygenated blood go after being carried? Will you take it? It will take you to my heart. Heart Which chamber will receive this blood? Who used to be the receiving chamber? AIR Oracle. so right oricle is deoxygenated Receives the blood. Ok? Right This blood goes from the auricle to the ventricle In. Ok? The ventricle is the pumping chamber. so the ventricle is this deoxygenated Where does it pump out the blood and send it? Sends it to the lungs. why in the lungs sends? Call it in the lungs or in the skin Say, wherever the exchange of gases takes place In the case of frog, Right? because the lungs Exchange of gases occurs in the body or through the skin Is. Meaning there should be oxygen intake in the lungs Used to be. So that means this deoxygenated blood that has a low concentration of oxygen it would become oxygenated in the lungs Go. because there is a lot of it in the lungs It will get oxygen. Isn't it? Now from the lungs Where will this oxygenated blood go? Tell Where will he go? oxygenated blood which is lungs It will go into the heart. That means the heart again which chamber is it that will receive What will this oxygenated blood do? Oricle. Who The one? Left auricle this time. Isn't it? So The left auricle will receive it. Left Where will this oxygenated blood go from the auricle But? in the ventricle. and from the ventricle these Where will the oxygenated blood go? tell me where Will you go? Oxygenated blood is going. So Which blood vessels will carry them? Arteries. aao arteries carry oxygenated blood No? So where will the arteries carry them from? Where till? different parts of the heart Body. So our whole blood is complete Circulation. Did you enjoy it? Did you enjoy it? Found it easy? Right? It is not very complicated. See If you can understand this from a simple diagram Visualize it, set it in your mind, You will never forget. Ok? So the blood Do you understand the circulation here? One And I'll give you a quick recap because After this, we do some small we will study about the structures which It will be easier to understand if this blood You should understand the circulation well. Correct Is? So a quick recap. Ok? and this You also do the recap along with me. Ok? So What happened? Where did the story begin, brother? Deoxygenated Blood in Different Body Parts From. Who carried it? Vance carried the . Delivered it to the heart. Who received it? Oracles of course. So right auricles Received it. it went from the right auricle in the ventricles. these from the ventricle Deoxygenated blood went into the lungs. Exchange of oxygen must take place in the lungs It was there then it became deoxygenated Blood that reached the heart back to the heart Which chamber received it? Left By Auricle. Gone from the left auricle in the ventricle. these from the ventricle Who carried the oxygenated blood? By arteries. Exactly. and the arteries to Where did you take you? different parts of the body In. This blood circulation was simple. So Children, now we have discussed blood circulation I have seen the process. so now here will introduce two new terms, two new Structures that will be very difficult for you to understand Easy. Ok? so the first one is sinus winos and The other is the conus arteriosus. A few names It might look crooked but when the name is It's not that difficult if you listen carefully Will take. So the first one is Sinus Winos. Vinosas. Winos reminds me that these are some of the veins will connect. and exactly the same He does. So, this is sinus venosis which There are major veins which we call venacava. Let's say connect with him. These would have been What is? This is a triangular structure which is on the dorsal side of the heart Present on the back side of the heart There are. Ok? from the diagram here You will understand where Are you present? Towards the dorsal side. These are presented on the back side Are. What do they do? Ye Jo Vinakawa I mean the veins, what do the veins bring Would have been? Tell me, I just read it are bringing deoxygenated blood From different parts of the body. Ok? So This is sinus venos which is from vena cava receive this deoxygenated blood And then send it to the right oracle. Ok? so basically this is vein and right This structure plays its role in the middle of the auricle Let's play what we call sinus Vinosis. in the same way a sack like There is a structure which we call a cone Arteriosis. Conus arteriosis. but this Sac like structure on the ventral side of the heart It happens in. means the one in front of the heart It is presented on the side or else you can understand on the lower side on the lower side It becomes present. Ok? what is its work It happens? Now look inside the heart Is there a ventricle in that ventricle? Oxygenated blood is also coming to the left auricle more deoxygenated blood is also coming from From the right auricle. This means that the ventricle So right and left are not a single chamber Is. so the inside of the ventricles are oxygenated and deoxygenated blood somewhere Mixing is going on. both are mixed I am coming. Ok? these cones It is arteriosis, it receives this blood and then buffers it. Sends oxygenated blood to different In Parts of the Body. Deoxygenated Sends blood towards the lungs. Isn't it? So after receiving all this mixed blood oxygenated and deoxygenated blood It buffers both of them. Ok? So We call this sack like structure Conus arteriosis. So now look at these two Placement of is very easy for you to understand Was. Isn't it? that from the ventricle where you There is no blood getting pumped out there Conus is present on the ventral side Arteriosis but on the dorsal side of the heart I have sinus present in the back side Vinosis. Ok? both of these became clear Structures? Let's move ahead. So kids Now what we see here is that there are many such All arteries together form an arterial system Makes it. in the same way many such All the veins which are in different parts of the body They are bringing blood from here to the heart like this venous system made up of many veins Let's make it. Ok? now here we are like this We will talk about two specialized Venus systems In the Case of Frogs. And what are these two? One is the hepatic portal system and the other is Renal Portal System. understanding with love is very It is not a difficult concept. Hepatic Word Wherever it comes, understand that it is something from the lever It is linked. Wherever the word Renal comes, understand it Look, something or the other is linked to the kidneys. Correct Is? So first let's talk about hepatic of the portal system. So what happens in this that the blood coming from the digestive tract the deoxygenated blood that's coming reaches before it reaches the heart In the liver. Ok? and occurs in the liver Detoxification. so this venus this This is what we call a Specialized Venus System What do you say? Hepatic Portal System. Meaning, from where to where is it being carried? Blood is being carried through the digestive tract It is up to the liver. Exactly. Ok? Now the second is the runal portal system. what does it contain that the lower parts of our body Such as limbs or pelvic region. There the blood that is coming from goes to the heart It first goes to the kidneys. and in the kidneys What happens? Nitrogenous Waste Elimination It happens. Right? So this is the process This system has become Venus System where from lower part of the body The blood that is going to the kidneys, we It is called renal portal system. so dear story of circulatory system for kids It ends here. and now we will talk About respiratory system in frogs. Correct Is? Now, I already told you that this The frogs are here on land and water Live at both places. That is why they have There should be specialized organs that They also get help in respiration on land and helps in respiration even in water Do it. Isn't it? So for water, let's see that These include skin that acts as the Respiratory organs. because through the skin The oxygen which is dissolved in water. What is the main thing in respiration? Exchange of Gases. Right? So how is oxygen Will it come inside the body? now when it's in the water If you live then oxygen dissolves in water It is in the form. Right? So the skin Oxygen is supplied through their skin only He diffuses it. So this kind of We call respiration cutaneous Respiration. not because it's cute but because this about cutaneous respiration This is a Latin word which means It is skin. that's why respiration through The skin is called cutaneous Respiratory respiration. Ok? Well now If we talk about land then brother when I land if so then how does it happen? Well for that there are specialized organs that we It is said that we also have lungs Are. Right? So these are the lungs in pairs They do exist. There are two lungs. There are sack like structures. Ok? and one for respiration through the lungs There is a term which we call pulmonary Respiration. Pulmonary respiration. Ok? So look here how the exchange of gases takes place It happens? So in the case of frogs also Air Joe It enters through the nostrils. Then the buccal cavity i.e. the inside of the mouth goes into the cavity and then Finally reaches the lungs. Ok? So In this manner exchange of gases takes place here It happens. Ok? Now I'll tell you one more thing About the sleeping patterns of frogs In that extreme summers and extreme They go to sleep in winters. Right? go into hibination. They go into estivation. Right? This How do you do this respiration during this? So this During this again their respiration takes place, This happens through the skin. so dear Children, after respiration it is now time Of control and coordination. So here it is We're going to talk about the nerves of frogs About the System and the Endocrine System About this. So as soon as the nervous system When we talk about kids, frogs get nervous The system is quite well developed. Its Central nervous system inside, peripheral nervous system, autonomic nervous system Everyone is present. Ok? a if Let's talk about the endocrine system. Chemical coordination in frogs' bodies There are many chemicals inside that coordinate Who does the setup? They Endocrine glands are what we call ductless It is said that it happens through glands. and here But even inside the frogs body we find thyroid gland, parathyroid gland, thymus gland, adrenal gland, all these Glands are visible. Ok? So Let's start the discussion right now. We are going to look in a little detail about the The Nervous System of a Frog. So let my Dear children, now we are going to discuss We are going to talk about the nervous system of frogs In. And I already told you that these The nervous system is very highly developed. Ok? So here we will talk about central about the nervous system in which There is the brain and the spinal cord. peripheral nervous the system that includes all the peripheral nervous coming. such as cranial nerves, spinal Nervous. What are the cranial nerves? Who emerge from the brain, which emerges from the brain They arise. this word is cranium This is a part of the brain. so that's why the cranial Nerves are those nerves that arise from the brain There are. And frogs have 10 such pairs That is, 10 pairs of cranial nerves There are. Ok? Spinal nerves brother As the name suggests, this is spinal Arise from the cord. and of the frogs There are also 10 pairs of spinal nerves Are. Ok? aa let's talk again about the autonomic nervous system, which Inside, we are sympathetic and parasynthetic. Let's talk about the nervous system. sympathetic which is for the body to fight and flight Let's prepare. say fight or flight So in such a situation when the body either you know is there a need to fight in that situation or Then the body needs to be flown. Meaning there is a need to participate. So which one is this What is the situation I am talking about? Emergency of the situation. Right? Like there was a fire The frog has to run away. Right? not that there I have to stand there and watch. Right? so such Situations where you know someone is standing in front of you Has there been a problem or has someone attacked from the front? If it is done then we have to fight. Right? So Basically stressful and emergency situations the sympathetic nerves in the Are active. Ok? On the other side We will then talk about the parasynthetic nervous system We do it when we are at rest. i.e that it prepares the body for rest and digest. That is, when there is no tension when the body is in a relaxed situation These are active. Ok? So brother you see You are getting the nervous system of the kids What is there is quite well developed. quite highly It is developed in the case of frogs. Ok? So let's focus a little more and we'll On the central nervous system. So let my Dear children, now we are central nervous system Let's look at the system a little more closely Are. Ok? So firstly we will discuss We are talking about the frog's brain. Correct Is? So we can divide the brain into three parts. We can divide it. Fore brain, mid Brain, hand brain. Ok? if the four brains If we talk about it, it contains all factory Lobes. All factory loads which are these This is the region where all the smells All factory inputs are available Those processes come and go. whatever frogs smell their processing She is at this place. Ok? then four The cerebral is inside the brain Hemispheres. Right? So the cerebral Hemispheres that are present in pairs There are. paired cerebral hemispheres these Those who are present are frogs Thinking centers of. Infact if we The size is estimated to be about 25 cm above the cerebral hemispheres of humans. If we compare it with size then it is quite small Are. infact that is the reason humans who His thinking ability is comparable to that of a frog There are quite a lot. Ok? Other than this Unpaired diencephalon is found. Now this which is Dianfelona this is a place where But sensory inputs are processed. Sensory inputs can mean visual input is what we are seeing Processing. what we hear is auditory Input and its processing. So this kind of the processing of sensory inputs It is happening here. So this is four The Story of the Brain. Then comes the mid Brain. They are present in the mid-brain. Paired optic lobes. Optic lobes. Optic means it is related to the eye Exactly. So this means that the mid brain This is the place which is the primary center Where visual processing takes place. Meaning processing what we see Whatever happens, happens primarily here. And Then comes the brain inside which there are again two There are parts. Cerebellum and Medulla Oblongata. Look, all these things are enough It may look similar to you guys. Human All these things happen in the brain too. Is No? So what is the function of the cerebellum It happens? Maintaining balance. its work It is as muscular as we are There are coordinations to be handled. Correct Is? On the other hand, if we look at the medulla oblongata If we talk, then its work is done by the brain Connecting the spinal cord. That’s it No, it also controls heart rate and breathing It helps in doing it. Ok? So this the way you can see that a frog's The brain would have been so highly developed Is. Inside his brain, the fore-brain, the mid-brain brain, hind brain is exactly the same categorized like a human brain It happens inside. So dear children let's go ahead will grow and now we are going to see About the sensory organs of frogs. Sense organs. so now in frog if we Let's talk about olfactory receptors. All factory means the smell receptor which receives He does. then the one who receives the smell What is an organ? These include nasal epithelium which helps them to smell He does. Then comes the auditory Receptor. Auditory means receiving sound The organ that does this. what do frogs contain Are? tampons. Exactly about it We had discussed it. Right? so jo tapanam it is like an ear drum inside which The internal year is present and according to this help from the frog which is around air bun which there is sound, we are able to receive it and Can hear it. Ok? then come the photos Receptors. Photo says light. to the light receiving means that help to see Do it for the frogs. would be present for this These are the eyes which are bulging out a lot. Ok? After this comes Thigmore Receptors. Thio receptors sense of touch yes that means when you touch a frog He gets the feeling that someone has touched him. So what is the reason behind this? For this sensory papillae are present which are present in their nerve endings Are. Meaning understand that cell group of sales Are. aggregates of cells that make up the nerve Endings are present. And their Because of this they have a sense of touch. that touch I can feel it. Ok? and finally hota have taste receptors for which they have There are taste buds with which it can taste any thing Feel the taste of whatever you eat We find it. So my dear children we are now People are slowly reaching the final stage of this chapter But we have arrived. where we are now discussing Frogs are going to have reproductive health problems About the system. But before we Discussion on reproductive system begins Do it. All of you tell me that you guys How is the preparation going? very very Important question. important because Because kids I have been online for so many years I am teaching. For so many years I have been I am interacting with children online. The kids' comments and their emails arrive. coming. So this is my very general perception Here it is. One by one from my experience I will share with you that most of the This is the time when children study throughout the year. Not there. Means you should know enough about studies let's keep negating that yes do it tomorrow I will take it, I will do it tomorrow, I will do it tomorrow. What we It's called procrastination. tomorrow tomorrow tomorrow tomorrow's Trust that tomorrow never comes. But The exam date definitely comes. and exam A day before that, exactly these videos He would have been sitting with these videos and you are feeling absolutely crazy Are. because you know at that time when one or two There is an exam the next day and you have so much There is everything to read. even at that time You will watch one video after another and another and another and another And you keep on watching such videos but Retention is not that much. Right? with along with that the anxiety, the stress, the tension that you The feeling in those few days before the exam Do you do that? It takes a toll on your mental health Health. Right? So that's why I tell all of you Requesting this absolutely genuinely I would like children that from the beginning of the year you Study. I am not saying that you absolutely too many number of hours you Spend time reading every day. Djent Matter whether you are preparing for NEET or not. You can prepare for any competitive exam Are you doing it or not. does not matter if you only for your school exams Even if you are reading this I will say that year Consistently every day since the beginning of Read a little at a time. If you think that I will study for just one hour, that is fine but at least study for one hour everyday through the Year. And you will see the magic yourself. When If you study for one hour every day then that The retention you get from studying consistently must have been there, that will be like next Level. Trust me on this. and you try it Try it out, kids. because this is very very Variant. Ok? I definitely don't I want you all to take care of your mental health Apply any kind of pressure. That's why for everyone It would be good if you maintain consistency and Bring discipline into your life and see What kind of magic does she create? Ok? So Come on brother, I have talked a lot about this. Now we Let's go back to the reproductive system On Frogs. Ok? So what about frogs? What is the reproductive system like? Brother We get to see that frogs are Dionysius. If you say die then it means two here The sexes are separate. That means the mail Frogs and Female Frogs Separate Are. Ok? The development that would have happened here Yes, it is indirect. indirect If we talk about development then it means a larval stage what is involved is what we call a tadpole And then that larval stage develops further Makes one adult frog. Ok? here at Fertilization is external. That means that The fusion of male and female gametes It is not inside the body. Like Humans The fusion that occurs in the case of It happens inside the body of females. But In the case of frogs, it is neither a female frog nor a male frog. Nor is there a mail inside the frog. These It is fertilized externally. this fusion It happens outside. Ok? infact we are here Let us see the match in the case of frogs reproductive system and the female The reproductive system is quite well It is developed. Ok? So let's go most First we will look at the male reproductive system. then we will look at the female reproductive system of A frog. So come on kids, first of all we The male reproductive system of frogs We will discuss. so here we are four Talk about important parts do. The first is the testis, the second is the vas deferens difference, the third is the urinogenital duct and The fourth is Clovaca. Ok? So the beginning Will do it with testis. the testis which is They exist in pairs. Testis It is the same part that produces sperms We do. That means male gamemates get this Let's produce it. where is their location It happens? So this is from the upper part of the kidney are attached. infact this attachment you can see this is a folded It is attached through a structure which we call It is called misorchium. Ok? So these would have been are the testes. Now the sperms in the testis are produced, it is released from the testis thin tubes come running like this in the structures we call habitat Difference. So the vast difference is this are thin tube like structures that They arise from the testis. Ok? Both These arise from the testis only. and this These numbers are approximately eight to ten. Correct Is? Now where do they go? So this which There are thin tubes which carry the breath there are differences between these tubes open into The Bidder Scandal. What is Bidder Scanal? So Bidder Scanal Again a Tube Like Structure which is present inside the kidney and Its job is to receive the sperms and Then pass that sperm forward. So This is the vas deferens that comes out of the kidney It basically connects to the urinogenital to the duct. Ok? so the urinogenital duct which look the name suggests urine and Genital matter means genital matter So do both of these sperms come through this duct? They pass. Right? so this urinogenital reach the duct. Ok? Now this How does it finally come out of the urogenital duct Do you go? These sperms have to go out No brother? because the fuse is out Is. External fertilization occurs here But. So these go out through the clove. so the cloaca is a chamber through which It opens to the exterior. this is on the outside They are opened. So Klovaka in a way Understand that there is a common opening through which Urine also goes out. through which Any undigested food also goes out. That is, we read in the digestive system that food which cannot be digested finally It goes out through the clover. And The sperms also come through the cloaca Let's go out. Ok? So this is ours Simple but yet well developed male Reproductive system. So let's see now Female reproductive system of a frog. Here we are talking about three important parts do. The first is the ovaries, the second is the oviduct and Third cloaca. Ok? So what are ovaries? Are? Again, ovaries too, which are in pairs exist and they produce are female gametes. so say ovum or Ova. Many ovums are called ova. Ok? It is generally seen that a Mature female frog which is at a time two and a half Can produce 1000 to 3000 ova. So she can take so many eggs. Ok? what happens now? This is ovum or ova We have to send them outside. Because Again What is Fusion? It is external. Meaning Male and female will fuse externally Gamete. So that means they have to be sent out. how to send? then they arise from the ovaries tube like structures which we call Ovi duct. So through these OV ducts which are These ova are passed and after that these Through whom does it go out? of the cloaca Through. Because cloaca is what it is, isn't it? there is a common opening or a common chamber which It is open towards the outside. Ok? so this We reach the cloaca. and then the cloaca's which is the cloacal aperture which is the opening Basically whatever is there should be released outside Let's go. So this is how a mail frog can be made One is released from the reproductive system the male gamete that is released outside through Clovacka. in the same way a female Whatever eggs the frogs take, those eggs too Release occurs through the clavicle aperture. and after that the fuse that they have It is fused externally. he is out External fertilization occurs. So my dear children this is where it ends Morphology and Anatomy of Frogs. So now We talked so much about frogs I have discussed it. So before you go, know this too that friend these frogs are there for us That means it is very useful for mankind too There are. now frogs eat insects and this is how we save our to the crops. Not only this, our ecosystem Frogs also play a vital role in the food chain and food waves of India. It is a very important role. infact For many humans, frogs are food themselves. They are made. You might find it quite strange to hear It must be feeling like this. but in many countries Like Vietnam, France, China here People also consume frogs. Bachcha Party with this we have arrived Today till the end of this video and I am completely I hope if you have seen this video till here if you look at it then the structural organization in There must have been concepts of animals Crystal clear. And if it happened, then As always, you can write to me in the comments. Will you tell me that the concept has become crystal clear? Also, if you have any feedback, If you have any suggestions please send them to me Please write in the comments and tell us your Make sure to maintain the support so that in this way We have more amazing and funny videos for you Keep making and post such videos soon can bring it on the channel. so till then stay Safe take care. Bye-bye. Learno hub is one such free learning [music] Platforms where you can find videos, Notes, NCERT Solutions, Samples Papers, and Online Tests Absolutely Free Of Cost Learn hb class 11 12 YouTube channel If you or someone you know is preparing if he is preparing for NEET or JEE then our Learno hub NEET Pe Jeet is on YouTube channel Absolutely complete course of JEE For free. These have detailed chapters Explanations, live classes, lots more questions and previous year questions Covered in detail. and so what else can you Ask all your doubts absolutely for free At Ask Question section of Learno hub. We also have our Android app. you one on one If you want to take classes then there is Learno hub Self at a very affordable price. Learn Now hub is free but it is the best. [music]