what are the different types of cells found in blood?
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Answer:
Blood is composed of various types of cells, each with specific functions. The main types of cells found in blood are:
1. **Red Blood Cells (Erythrocytes):**
- Function: Carry oxygen from the lungs to the body's tissues and organs and transport carbon dioxide back to the lungs for exhalation.
- Characteristics: Disk-shaped and lack a nucleus, maximizing their oxygen-carrying capacity.
2. **White Blood Cells (Leukocytes):**
- Function: Play a crucial role in the immune system, defending the body against infections and foreign invaders.
- Types:
- Neutrophils: Phagocytize bacteria and fungi.
- Lymphocytes: Include T cells and B cells involved in immune responses.
- Monocytes: Transform into macrophages, which engulf and digest pathogens.
- Eosinophils: Defend against parasitic infections and participate in allergic reactions.
- Basophils: Release histamine and other substances involved in inflammation.
3. **Platelets (Thrombocytes):**
- Function: Essential for blood clotting (hemostasis) to prevent excessive bleeding when blood vessels are injured.
- Characteristics: Small, cell-like fragments without a nucleus.
These cellular components are suspended in a liquid matrix called plasma, which contains water, electrolytes, proteins, hormones, and waste products. The coordinated function of these blood cells is vital for maintaining homeostasis, responding to infections, and ensuring proper oxygenation and clotting within the body.
Answer:
There are 3 types of blood cells – red blood cells, white blood cells and platelets. Red blood cells (erythrocytes) carry oxygen to all cells in the body. The oxygen is carried to cells on a protein in red blood cells (called hemoglobin). Hemoglobin is what makes the blood red.
Explanation: