Answer:
False
Step-by-step explanation:
Some amphibians can respire through other means including lungs. Take Frog for an example. Frog is an amphibian. When it is on land it respires through lungs but when it is in water it uses its skin for the respiration purpose. This respiration is termed as cutaneous respiration.
Species having four chambered heart have two atria and two ventricles in their heat.