Answers

2014-11-03T21:12:11+05:30
In frog ,skin is an additional or secondary or accesory respiratory organ .frog is an amphibious animal that lives in land and on water.one third of the total oxygen is taken up by frog is through the skin .frog also keeps skin moist .frog skin has large number of mucous glands which secrete mucous onto the surface of the skin. during winter or hibernation frogs respire through the skin
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