Final answer:
The spleen performs three main functions: phagocytosis of cellular debris and bacteria, formation of lymphocytes and other immune cells, and destruction of old and fragile red blood cells.
Step-by-step explanation:
The spleen serves several important functions in the body:
- Phagocytosis of cellular debris and bacteria in the blood: The spleen contains macrophages that engulf and destroy bacteria and cellular debris, helping to remove harmful substances from the bloodstream.
- Formation of lymphocytes and other immune cells: The spleen contains white pulp, which is rich in lymphocytes. It serves as a site for the production and maturation of B and T cells, important immune cells.
- Destruction of old & fragile red blood cells: The spleen filters blood and removes damaged or aging red blood cells, ensuring the circulation of healthy red blood cells.
Learn more about Functions of the spleen