Question

Describe double circulation in human being.why is it necessary

Answer 1

ANSWER


A circulatory system in which the blood Travels device through the heart in one complete cycle of the body is called double circulation. In the human circulatory system the pathway of blood from the heart to lungs and back to hurt is called pulmonary circulation and the pathway of blood from heart to rest of the body and back to what is call systematic circulation. These two types of circulation taken together make double circulation.
in human beings are there are four chambered heart the left side and right side of the heart are completely separated to prevent the oxygenated blood from mixing with the oxygenated blood. such a separation allows are highly efficient supply of oxygen to the body cell which is necessary for producing a lot of energy. This energy is useful in warm blooded animals which have high energy needs because they constantly require energy to maintain their body temperature. All the animal having four chambered heart have Double circulation in which the blood passes through the heart twice in one complete cycle of a body.

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