Question

Q 13 Write the significance of double circulation in birds and mammals (3)​

Answer 1

Significance of double circulation: The separation of oxygenated and deoxygenated blood allows a more efficient supply of oxygen to the body cells. Blood is circulated to the body tissues through systemic circulation and to the lungs through pulmonary circulation.

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Answer 2

Answer:

Double circulation in humans and mammals help in separation of oxygenated and deoxygenated blood which helps in maintains the body temperature of organisms.

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