The Earthworms and amphibians like Frogs are some of the animals which breath through their skin. These animals belong to a particular group of animals which live on land and because of which they have a through which gases easily pass in pass out.
These animals are having the capability of breathing through their permeable skin to remain moist. The Earthworm mostly lives inside the moist soil and the toads prefer to live near water. Their skin has moist skin and has tiny blood vessels or capillaries that lie close their skin surface. The small vessels helps in transporting the oxygen in various tissues and carry carbon dioxide to the outer skin layer.