you can’t run out of blood from donating blood meaning blood is gets created, however if you don’t have the way of removing blood from donating where does all the old blood go?

Question

you can’t run out of blood from donating blood meaning blood is gets created, however if you don’t have the way of removing blood from donating where does all the old blood go?

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Answer 1

Old blood cells usually return to the spleen to be decommissioned (destroyed) while your bone marrow produces new ones.

This cycle is in place to ensure you have functioning red cells at all times, that are capable of absorbing oxygen.

A red blood cell has a limited lifespan before it becomes ineffective.
I don’t know the exact time but I was always told that no single blood cell is older than a month at any given time (this may or may not be true).