Lecture Notes: Blood as Connective Tissue

Introduction

• Blood is a type of fluid connective tissue.
• Composed of cells floating in plasma.
• Forms a liquid matrix.

Types of Cells in Blood

1. Red Blood Cells (RBC) / Erythrocytes

• Function: Carry oxygen using hemoglobin.
• Most numerous cell type in blood.
• Significance: Essential for oxygen transport.

2. Platelets / Thrombocytes

• Function: Clot blood.
• Second most numerous cell type.

3. White Blood Cells (WBC) / Leukocytes

• Function: Fight infections and defend against foreign materials.
• Least numerous cell type.
• Complexity: Composed of five different types of cells.

Types of Leukocytes

• Neutrophils
• Lymphocytes
• Monocytes
• Basophils
• Eosinophils

Conclusion

• Blood is composed of various cells each with unique functions.
• Understanding the composition and function of blood is crucial for comprehending its role in the body's defense and maintenance.
• The lecture provides a foundational understanding of blood as a fluid connective tissue.