Question

The life span of RBC___________ 
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Answer 1

Answer:

मानव लाल रक्त कोशिकाएं मुख्य रूप से अस्थि मज्जा में बनती हैं और माना जाता है कि उनका जीवनकाल लगभग 120 दिनों का होता है।

Explanation:

Human red blood cells are formed mainly in the bone marrow and are believed to have an average life span of approximately 120 days.

Answer 2

Here's your answer...

The life span of RBC is 120 days

(approx).

Human red blood cells (RBC), after differentiating from erythroblasts in the bone marrow, are released into the blood and survive in the circulation for approximately 120 days. In humans and some other species, RBC normally survive in a nonrandom manner.

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