In birds and mamalas the left and right side of heart are separated . give reason
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The separation of the right side and left side of the heart is useful to keep oxygenated and deoxygenated blood away from mixing.
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The separation of the right and left side of heart is useful to prevent oxygenated blood and deoxygeneted blood from mixing. Such separation allows a highly efficient supply of oxygen to the body.
This is useful in animals that have high energy needs (birds and mammals) which constantly use energy to maintain their body temperature.
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