Breathing and Exchange of GasesHard

Question

Skin is an accessory organ of respiration in

Options

A.human
B.frog
C.rebbit
D.lizard

Solution

In frog, lungs are the main prgan of respiration, but compared to mammals, pulmonary respiration of frog is not very efficient. During hibernation (winter sleep), skin becomes the only source of respiration. Thus in frog, skin serves as an accessory organ of respiration.

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