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6.What are the advantages of having 4 chambered heart in man?

Answer»

it prevents the mixing of oxygenated and deoxygenated blood in heart

Presence of four chambered heart serves two purposes. First, it ensures complete segregation of oxygenated and deoxygenated blood. Second, blood is received by the upper chambers and is pumped out by the lower chambers. This segregation between received blood and sent blood increases the efficiency of the heart.

the mammalian has das chambered



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