Question

what is the advantage of four chambered heart
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Answer 1

Answer:

In four chambered heart left half is completely separated from right half by septa. This prevents oxygenated and deoxygenated blood from mixing. This allows a highly efficient supply of oxygenated blood to all parts of the body. This is useful in animals that have high energy needs such as birds and mammals.

Explanation:

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Answer 2

Answer:

Four-chambered heart gives following advantages:

(a) There is clear cut division of labour among different chambers. Atria receive blood and ventricles pump the blood.

(b) There is complete segregation of oxygenated and deoxygenated blood in the heart.

(c) Heart's efficiency is more in this design

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