List the respiratory organs of amphibians?

Respiratory organs of amphibians:

1. The respiratory organs in amphibians are gills, lungs, buccopharyngeal membrane and the skin. ​
2. Gills: The gills are only specific for the tadpoles and few other amphibians, which possess gills that help them breathe under water.
   
3. Lungs: In the adult frogs and most amphibians there are lungs present which helps them breathe in the terrestrial environment.
   
4. Skin: Few of the amphibians do not possess the lungs and they possess a moist skin, which helps them trap the moisture and the respiratory gases.
   
5. Buccopharyngeal membrane: The inner lining of the mouth is the buccopharyngeal membrane which allows the exchange of gases with the atmosphere.