There are three different ways amphibians can breathe. Some amphibians breathe through gills (tadpoles and some salamanders). Others breathe through their skin (they can pull oxygen out of water and release carbon dioxide). Lastly, some amphibians have a respiratory system and a mucous membrane in their mouths to help them breathe. Many frogs utilize breathable skin when underwater and their respiratory system on land.
Amphibians live in the water and on land. They are born as tadpoles with gills and tails because they start their lives in the water. As they mature, they remarkably develop lungs and legs so they can breathe and get around on land. Some species lose their gills and some retain them throughout their lives.
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