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Question

Life span of mammalian R.B.C. is

A
120-128 days
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B
100 days
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C
Less than 100 days
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D
None of the above
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Solution

The correct option is B 120-128 days
In mammals, erythrocytes or red blood cells (RBC) are the most abundant of all the cells in the blood. On an average RBC are about, 5 million to 5.5 millions of RBCs in the blood. These molecules play a significant role in the transport of respiratory gases. RBC's have an average lifespan of 120-128 days after which they are destroyed in the spleen (graveyard of RBC's)
So, the correct answer is '120-128 days'.

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