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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
What is meant by the term 'single circulation'?
What is meant by the term 'Double circulation'?
Which blood vessel does not carry any carbon dioxide?
In which organ of our body does blood get oxygenated?
In double circulatory system, the function of veins is to carry ______.
What is the significance of hepatic portal system in the circulatory system?
Why is the separation of the right side and the left side of the heart useful? How does it help birds and mammals?
From where to where do the following blood vessel carry blood?
Posterior vena cava
Define portal vein.
The blood vessel which carries blood from the stomach and intestine to the liver:
