Question

describe the process of double circulation in human beings

Answer 1

Blood travels twice through the heart in one complete cycle of the body. this is called double circulation. it help to prevent oxygeneted and deoxygened blood from mixing

Answer 2

heart is a double pump the left side of the heart pumps the blood to body part,this blood is oxygen rich.when this blood travels to the organs all of the oxygen is used up by the organs and this blood becomes deoxygenated
this blood has to be oxygenated again so it is taken to the right ventricle and then carried to the lungs for oxygenation​ .the left circulation of heart is called the systematic circulation and circulation performed by right side is called pulmonary circulation.
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