Question

describe the process of double circulation in human beings..

Answer 1

Ans. During a single cycle blood goes twice in the heart which is known asdouble circulation. It is necessary inhuman being to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.

Answer 2

Answer:

process of double circulation

Explanation:

1. The pulmonary veins bring the oxygenated blood from lungs to left atrium of the heart.

2.The left atrium contracts and the blood is pumped into the left ventricle through valve V1.

3.when the left ventricle contract the oxygenated blood is pumped to various parts of body.

4.the body cells in the organ receive  oxygenated blood and give out deoxygenated blood .

5.the deoxygenated blood from the body parts is carried to the right atrium by vein.

6.the right atrium contracts and pushes the blood into the right ventricle through valve V2.

7.when the right ventricle contracts,the deoxygenated blood to lungs.

8.the deoxygenated blood give out CO2 in the lungs and absorbs O2.

the blood is said to be oxygenated and the circulation continous.

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