How is the more complex development of reptiles manifested in comparison with amphibians?

univerkov | February 17, 2021 | education

Reptiles evolved from amphibians. Accordingly, they have some differences in the structure of organ systems. Amphibians are able to breathe through their lungs and skin. Before transforming, they breathe with gills. Reptiles do not have skin breathing devices. They can only breathe with their lungs. The circulatory system in amphibians and reptiles is similar. Their heart consists of three chambers. Also, both amphibians and reptiles have two circles of blood circulation. Both are cold-blooded.

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