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Four Chambered Heart Vs Three Chamb...

The right and left atrium and the right and left ventricles
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It allows complete separation of oxygenated blood returned from lungs to be pumped around the body and deoxygenated blood returning from the body. A much more efficient system of o...
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Heart is divided into four chambers to separate out the oxygenated blood from the de-oxygenated one. So that the distribution of blood works efficiently. Anonymous
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I think it is the right atrium. Anonymous
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Right Atrium Right Ventricle Left Atrium Left Ventricle
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Four Chambered Heart Vs Three Chamb...

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