1. Cutaneous respiration is a type of respiration in which gas exchange occurs across the skin.
2. This type of respiration carried out when frog is in winter sleep or under water.
3. For this type of respiration the skin should be moist to allow efficient respiration through skin.
4. Frog skin has mucus glands which secrete mucus on the surface of skin when they are out of water.
5. Frog is an amphibian which can respire through pulmonary as well as through gills.
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