A. 40 days
B. About 50 to 80 days
C. About 100 to 120 days
D. 140 days
Answer
Correct Answer: C. about 100 to 120 days
Detailed About MCQs
The lifespan of Red Blood Cell (RBC) is about 100 to 120 days (and 80 to 90 days in a full-term infant). They are removed from circulation at the end of their lifespan.