Which animals have mixed blood?

Reptiles and reptiles have mixed blood, that is, blood obtained as a result of mixing venous and arterial, which means that such blood has a low oxygen saturation. The heart of these animals has three chambers – two atria and a ventricle. The septum in the ventricle is incomplete, and therefore blood mixing occurs.
Usually, animals with mixed blood are characterized by a slow metabolism, their activity depends on the temperature of the environment in which they live.



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