I think that we humans can't breathe because the skin because we humans have internal and external characteristics different from amphibians. We humans can breathe using lungs but most amphibians breathe through the skin.
I think that we humans can not breathe through skin, because we have human characteristics were different from what the animal amphibian. We humans can breathe with lungs, but most animals amphibian skin can breathe.
I think we humans cannot breathe through the skin because humans have appearance and within different amphibians We can breathe mainly using the lungs but amphibians can breathe the skin.