Explain how four chamber heart is helpful in human
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The heart has four chambers: two atria and two ventricles.
The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle.
The right ventricle pumps the oxygen-poor blood to the lungs.
The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.
The left ventricle pumps the oxygen-rich blood to the body.
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4 chambers of heart is helpful as it gives well distinguished features of oxygenated and deoxygenated blood and these bloods do not mix together by this
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