Multiple Choice
Why do new red blood cells survive for only a few months?
A) The heart pumps red blood cells so often that their membranes deteriorate.
B) The oxygen that red blood cells carry damages their organelles.
C) Red blood cells do not have most organelles or a nucleus.
D) The hemoglobin that red blood cells carry is toxic.
Correct Answer:

Verified
Correct Answer:
Verified
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