What changes have appeared in amphibians in comparison with fish in the digestive, excretory, circulatory and other systems?
| December 19, 2020 | education
Amphibians:
-3 chambered heart, 2 circles of blood circulation
-the brain consists of a trunk and two hemispheres
-the respiratory organs are represented by the lungs and skin
– excretory organs – kidneys
-limbs of the five-fingered type
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