Multiple Choice
Which of the following is an advantage of the bird and mammalian circulatory system?
A) It is closed.
B) It is fully divided into two circuits.
C) There is no mixing of oxygen-poor and oxygenated blood.
D) Blood is directly pumped out to body capillaries after oxygenation in the lungs.
E) All of these are an advantage.
Correct Answer:
Verified
Correct Answer:
Verified
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