Cutaneous gas exchange.
Animals that can breathe through their skin are said to have permeable skin. Amphibians and earthworms both have skin which is permeable to gases.
i think the process is called osmosis. Basically they breathe through their skin.
animals that breathe through moist skin book lungs and book lungs.
Frogs
the same way humans do
Many lower animals don't have noses and breathe through their skin.
Some animals that live on land have a skin that is so thin that gases can easily pass through it. We say that they have a permeable skin. Earthworms and amphibians have a skin which is permeable to gases. Plaice breathe through their skin.
cutaneous gas exchange
through it's skin
cutaneous gas exchange
Roundworms do not breathe in the way that humans or animals do. Roundworms take in oxygen through their skin and into the cells. The term for this is diffusion.
All insects breathe through their skin.