Which animal uses the surface of the body as respiratory organs?

Skin is used as a respiratory organ by amphibians or amphibians. This is due to the imperfection of the structure of the lungs. The surface of the skin of amphibians in area exceeds the surface area of the lungs of these organisms. Whereas in mammals, the surface of the lungs is many times the surface of the skin. In addition, skin respiration is important during hibernation when the amphibian is in the water. At this time, skin respiration is essential for the body.



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