Question

Hibernating frog respires by

• A. Lungs only
• B. Partly by lungs and partly by skin
• C. Both skin and lungs
• D. Skin only

Answer 1

The correct option is D Skin only

Respiration in frogs is both through lungs and skin. However, during hibernation, frogs make use of the skin to breathe. However, there are exceptions such as the wood frog which stops to breathe completely during its hibernating period. During hibernation most of these amphibians receive their necessary oxygen through their skin referred to as cutaneous gas exchange. Their skins soaks in the oxygen required by their bodies require.