How can a person donate blood and never run out of it?
a.
blood components are continu...
Biology, 22.10.2019 20:00 growingideas
How can a person donate blood and never run out of it?
a.
blood components are continuously pumped by the heart.
b. blood components are continuously circulated through the blood vessels.
c. blood components are continuously produced in the bone marrow.
d. blood components are continuously digested by enzymes.
Answers: 3
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