17. The Blood
Introduction To Blood
Multiple Choice
Multiple ChoiceWhich of the following factors has the greatest effect on making RBCs very efficient oxygen transporters?
A
They don't contain a nucleus.
B
They generate ATP by anaerobic mechanisms and do not consume any of the oxygen they carry.
C
They carry 20% of the carbon dioxide released by tissues back to the lungs.
D
They represent most of the formed elements in the blood.
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