Life span of RBC is

50 days

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75 days

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120 days

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100 days

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Solution

The correct option is D 120 days
RBC's also known as red blood cells are formed in the bone marrow by erythropoiesis. They have an average lifespan of 120 days. After ageing, they are selectively recognized in the spleen, liver and lymph nodes by macrophages followed by phagocytosis. This process is called eryptosis
So, the correct answer is '120 days'

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The life span of RBCs is about 120 days after which they are destroyed in the

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