describe the double circulation in human being? why it is necessary
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Explanation:
In human beings, the blood goes through the heart twice during each cycle i.e. the blood passes through the human heart two times to supply once to the whole body. So, it is called Double Circulation of blood.
Types of double circulation
The double circulation of blood includes:
(i) Systematic Circulation
(ii) Pulmonary Circulation
It is necessary for a human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system more efficient and helps in maintaining constant body temperature.
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