The Lifespan of Red Blood Cells (RBCs) ____ days.

The Lifespan of Red Blood Cells (RBCs) ____ days.

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Explanation

The lifespan of a red blood cell is around 120 days.

Blood cells are made in the bone marrow.

It produces about 95% of the body's blood cells.


 Additional information:
The lifespan of white blood cells ranges from 13 to 20 days,