Amphibians Breathe Through Skin. With some amphibians, it appears that they can breathe underwater, when in fact they are holding their breath! Their skin has to stay wet in order for them to absorb oxygen so they secrete mucous to keep their skin moist (if they get too dry, they cannot breathe and will die).
Adult amphibians either have lungs or continue to breathe through their skin.amphibians have three ways of breathing. Amphibians such as frogs use more than one organ of respiration during their life. Early in life, amphibians have gills for breathing.
As compared to reptiles, amphibians have smooth skin.
The skin breathing or breathing through the skin occurs in animals found in quite humid and even aquatic environments, this despite some count on lungs. Among this group are amphibians (frogs, toads, salamanders), annelids (earthworm) and some echinoderms (sea urchin). They live underwater and breathe through gills at one stage of their life, and live on land breathing through lungs at another stage. A frog breathes through its skin, the inner surface of its mouth and its lungs, depending on its circumstances.