The life span of red corpuscles is not more then ___________?
Correct answer: A. 120 days
- A. 120 days
- B. 140 days
- C. 160 days
- D. 180 days
Explanation
Red blood cells normally circulate for about 120 days before old cells are removed mainly by the spleen and liver. Therefore, 120 days is the accepted maximum approximate lifespan.
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