Features of the structure of the circulatory system in Pisces, amphibians, reptiles, birds, mammals.
| December 14, 2020 | education
Fish have a two-chambered heart. Amphibians have three chambers (2 atria and 1 ventricle). In reptiles, it is three-chambered (2 atria and 1 ventricle) with a septum in the ventricle. Birds and mammals have a four-chambered heart.
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