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DINESH VISHWAKARMA

UP Board 10th Class 2021 (For Hindi Medium Students)
About UP Board Crash Course
2 years ago

what is the lifetime of RBC?

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SUNDARAM SINGH

2 years ago

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

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Ashok Kumar

2 years ago

120 days

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