Amphibians have permeable skin that easily absorbs substances from the environment.
Amphibians have lungs, but they also breathe through their skin.
Permeable skin easily absorbs air to breathe through.
what type of skin easily absorbs air to breathe through

a) human
b) water vapor
c) mammals
d) scales
e) It expands
f) permeable
g) furry
h) to stay warm