Question

Explain the double circulation of blood in human beings and it's importance.​

Answer 1

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Explain the double circulation of blood in human beings and it's importance.

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This means that during a single cycle, the blood goes twice in the heart. ... This double circulatory system is important because it ensures provision of oxygenated blood to the muscle and not a mixture of oxygenated and de-oxygenated blood. Hence, this system ensures efficient supply of oxygenated blood to the muscles.

Answer 2

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Question

${\bf{\red{Q}}}$Explain the double circulation of blood in human beings and its importance.

Answer

Double circulation of blood in human beings is a process in which blood passes twice through the heart during one complete cycle.The importance of double circulation is that it prevents the mixing of oxygen - rich blood with carbon dioxide - rich blood left atrium receives oxygen - rich blood from the lungs.This blood is pumped into the left ventricle from where it is pumped further the aorta.Aorta carries this blood to all parts of the body.The veins carry carbon dioxide - rich blood from all parts of the body to the right atrium.

The blood then flows into the right ventricle from where it is pumped into the pulmonary artery.The pulmonary artery carries this blood to the lungs where it receives oxygen.This oxygen - rich blood is carried back to the heart and into the left atrium by the pulmonary veins and the cycle contains.

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