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Heart of fishes is...

Heart of fishes is

A

One chambered

B

Two chambered

C

Three chambered

D

Four chambered

Text Solution

Verified by Experts

The correct Answer is:
B
Fishes have two chambered heart i.e. one auricle and another ventricle. Since there is a mixing of blood that’s why called venous heart
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Assertion : In fishes, heart is venous. Reason : Only veins are present in the heart of fishes.

Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion (c) If the assertion is true but the reason is false (d) If both the assertion and reason are false (e) If the assertion is false but reason is true Assertion : Heart of fish contains only deoxygenated blood. Reason : Oxygenated blood do not return back to the heart in fishes.