MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

HEMATOPOIESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What organ is like the graveyard for old RBCs?
A
kidney
B
spleen
C
gall bladder
D
stomach
Explanation: 

Detailed explanation-1: -The spleen is the organ that serves as a graveyard for blood cells. It filters them and traps degraded RBCs, They are then destroyed by macrophages.

Detailed explanation-2: -The spleen helps keep harmful microorganisms out of the bloodstream. It holds key components of the body’s immune system. The spleen also removes unhealthy, old, and misshapen red blood cells from circulation.

Detailed explanation-3: -Often, the spleen is referred to as the “graveyard of RBCs”. Also, the spleen stores RBCs by eliminating the dead and damaged cells. About 20-25% of the red blood cells are stored in the spleen. The spleen also stores other blood cells such as WBCs and platelets.

Detailed explanation-4: -Healthy blood cells simply pass through the spleen and continue to circulate throughout your bloodstream. Blood cells that can’t pass the test will be broken down in your spleen by macrophages. Macrophages are large white blood cells that specialize in destroying these unhealthy red blood cells.

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