Question

why fishes exhibit single respiration class 10

Answer 1

Answer:

Because water contains less oxygen per unit volume than air and yet is considerably more dense and viscous, fish normally exhibit continuous rhythmical breathing movements of the buccal and septal or opercular pumps.

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Answer 2

Explanation:

The function of gills in the body of a fish is to allow the fish to get oxygen as it swims. Fish gills have an enlarged surface area over which oxygen dissolved in the water moves across to the blood capillaries of the fish, and then to the cells.

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