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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’?
In which organ of our body does blood get oxygenated?
What does the term ‘double circulation’ mean?
Choose the event that does not occur in photosynthesis
In which, blood circulation starts and ends in capillaries?
Write a note on closed circulation.
Why is the double circulation of blood in human beings necessary?
From where to where do the following blood vessel carry blood?
Hepatic vein
From where to where do the following blood vessel carry blood?
Hepatic portal vein
