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In which of these animals skin serves as an accessory organ of respiration

In which of these animals, skin serves as an accessory organ of respiration

Options

(a) Bird
(b) Frog
(c) Lizard
(d) Rabbit

Correct Answer:

Frog

Explanation:

In frog, the skin serves as an accessory organ of respiration because the skin of frog is thin and richly supplied with blood capillaries. It is kept moist by mucus and water.

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