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प्रश्न
Why is the circulation in man referred to as double circulation?
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उत्तर
In humans, blood passes twice through the heart to supply once to the body.
Double circulation involves:
(i) Systemic circulation,
(ii) Pulmonary circulation.
(i) Systemic circulation: In the systemic circulation, from the left ventricle blood is pumped into the aorta and to various parts of the body.
(ii) Pulmonary circulation: In pulmonary circulation, from the right ventricle deoxygenated blood is pumped into the pulmonary artery which carries blood to the lungs for oxygenation.
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संबंधित प्रश्न
Name the two types of transport systems in the human beings.
In which organ of our body does blood get oxygenated?
Differentiate between the following pair of terms: Pulmonary artery and pulmonary vein
Blood in the human body circulates twice for making one complete round through the body. Explain.
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What is the significance of hepatic portal system in the circulatory system?
Oxygenated blood to the liver is supplied by ______.
Define portal vein.
