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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
Describe double circulation in human beings.
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.
What does the term ‘double circulation’ mean?
Which of the following carries nutrients from the digestive tract to the liver?
Name the vascular connection that exists between the digestive tract and liver.
Complete the following flow diagram of double circulation:
In which, blood circulation starts and ends in capillaries?
Write the exact location of the following:
Hepatic portal vein
