Question

Describe double circulation in human beings why is it necessary? Explain with the help of
a flow chart.

Answer 1

Answer:

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

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Answer 2

Double circulation in human beings first of all means that the blood reaches the heart to times that is at a time period of 0.8 seconds double circulation in human beings is very necessary as the oxygenated blood should be going to all the parts of the body to release energy to utilise energy for the benefit of the body and then whatever carbon dioxide is released is used or removed out of the body that is the deoxygenated blood should be oxygenated again and two for this to happen the D oxygenated blood should reach the heart again from the heart it reaches theThe lungs so that it can get oxygenated and then the cycle continues again that is the blood or the oxygenated blood goes to all the parts of the body and reaches and releases energy and also carbon Dioxide and the blood gets D oxygenated further reaching the heart