In which of the following is a single-circuit | vedclass

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Question

(A) In fishes,the heart is two-chambered,consisting of one atrium and one ventricle. The heart pumps deoxygenated blood to the gills,where it is oxyge

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Fishes

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(A) In fishes,the heart is two-chambered,consisting of one atrium and one ventricle. The heart pumps deoxygenated blood to the gills,where it is oxygenated and then passes directly to the rest of the body. This type of circulation is known as single circulation because the blood passes through the heart only once during each complete cycle of the body. Therefore,fishes exhibit a single-circuit heart.

In which of the following is a single-circuit heart found?

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