Amphibians respire by gills, lungs, and skin, and possess a three-chambered heart. They are cold-blooded animals.
Amphibians respire by gills, lungs, and skin, and possess a three-chambered heart. They are cold-blooded animals.
| Text | Respiration in amphibians is by gills, lungs and through skin. The heart is threechambered (two auricles and one ventricle). These are cold-blooded animals. |
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