Evolution of the circulatory system in animals.
| August 13, 2021 | education
The evolutionary path of the circulatory system of animals has gone through a number of aromorphoses – structural changes. Evolution affected the blood vessels, the heart appeared, then the heart was divided into chambers (from 2 to 4 chambers), an interventricular septum appeared, which led to the separation of arterial and venous blood.
In the body of higher animals, the circulatory system plays an essential role, ensuring the integrity of the body. It performs a universal transport role, carrying nutrients, oxygen, metabolic products, hormones.
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