A) Blood flows only once through the heart
B) Only deoxygenated blood flows through the heart
C) Heart pumps blood to the various body organs
D) Lungs pump the oxygenated blood to various body organs
Correct Answer: C
Solution :
[c] As in fishes the heart pumps the doxygenated blood only to the gills where oxygenation is doneYou need to login to perform this action.
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