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Q.

Heart of fishes is:

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a

One chambered

b

Three chambered

c

Four chambered

d

Two chambered

answer is B.

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Detailed Solution

Fishes have a two-chambered heart. They have only two pumping chambers, the auricle, and the ventricle. The auricle takes in blood from the body and the ventricle pumps out the blood that has entered the heart through the gills and gives fresh oxygen to the blood.

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