MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which organ recycles old blood cells?
A
bone marrow
B
appendix
C
spleen
D
liver
Explanation: 

Detailed explanation-1: -Your spleen’s main function is to act as a filter for your blood. It recognizes and removes old, malformed, or damaged red blood cells.

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: -Your spleen is involved in your body’s immune response, and in recycling old blood cells.

Detailed explanation-4: -Approximately 90% of iron needs for erythropoiesis are met by internal iron recycling from aged red blood cells. This task is accomplished by macrophages, predominantly Kupffer cells (KCs) in the liver and red pulp macrophages (RPMs) in the spleen.

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