Why would having a four-chambered heart,as in birds and mammals,optimize efficiency of oxygen delivery to tissues?
A) Diffusion of oxygen from oxygenated blood into tissues would be increased.
B) Diffusion of oxygen from oxygenated blood into tissues would be decreased.
C) Less energy would be required to pump oxygen into the blood.
D) Less energy would be required to pump oxygen into the tissues.
E) Less energy would be required to pump oxygen into the lungs.
Correct Answer:
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