Eli5 If the body is constantly renewing at a cellular level,why does the body reject organs or limbs from transplants?

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ie, if every cell is constantly replaced wouldn’t the organ eventually be replaced by your own cells that your isn’t trying to kill?

In: Biology

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Anonymous 0 Comments

The body has ways to determine whether a cell is an original part of it or not. If the cells of the organ in question do not have the same genes as the body in large then they run a risk of being attacked by the body’s immune system.

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