Question

The importance of double circulation

Answer 1

Double circulation systems deliver greater blood flow rate to tissues around the body because the heart pumps the (oxygenated or 'oxygen-rich') blood returned to it from the lungs. This is useful because when blood passes through the lungs its pressure is reduced.

Answer 2

Necessary 0f Double Circulation.

1. To separate oxygenated & de-oxygenated bloods.
2. To makes circulatory system is more efficient
3. To helps in maintaining constant body temperature.