What are the features of the structure of the skin of amphibians? What does this mean for the animals of this group?

Amphibians are creatures that can inhabit two environments. Amphibians have smooth skin that has a slimy coating. This feature protects the skin from drying out on land and provides streamlining in an aquatic environment. Also, a feature of the skin in amphibians lies in its ability to exchange gas, that is, amphibians have skin respiration. In addition, in the skin of amphibians there are special glands that produce special substances that protect them from predators and blood-sucking insects and animals.