alliemorrow alliemorrow

22-05-2021
Biology

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Why do birds and humans have a 4 chambered heart

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Homeworklegend Homeworklegend

22-05-2021

Explanation:

so there blood can go in and out of there arteries and ventricles

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r20200h r20200h

22-05-2021

Answer:

Explanation:

Because the 4 chambered heart prevents the mixing of oxygenated blood from the lung and deoxygenated blood from the body. However, In 3 chambered heart , both oxygenated and deoxygenated blood gets mixed.

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