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प्रश्न
What is meant by the term 'Double circulation'?
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उत्तर १
- Blood flows twice in the heart before it completes one full round.
- The short pulmonary (lung) circulation and the long systemic (general body) circulation.
- For this reason, the blood circulation in the human body is also called "double circulation."
उत्तर २
The type of blood circulation in which oxygenated blood and deoxygenated blood do not get mixed is termed double circulation.
संबंधित प्रश्न
What is the significance of double circulation?
Blood in the human body circulates twice for making one complete round through the body. Explain.
Differentiate between the following pair of terms: Pulmonary artery and pulmonary vein
The diagram represents the ‘closed system’ or ‘double circulation’ of blood in mammals.
Justify the above statement.
State two structural and two functional differences between the arteries and veins.
State the changes in the composition of blood as it passes through the following organs:
(a) Lungs (b) Gut (c) Liver (d) Kidneys.
Explain the Term
Double Circulation
Why is the circulation in man referred to as double circulation?
Why is the small intestine in herbivores longer than in carnivores?
In double circulatory system, the function of veins is to carry ______.
Explain the advantage of the complete partition of ventricle among birds and mammals and hence leading to double circulation.
Complete the following flow diagram of double circulation:
Explain the process of transport of oxygenated and deoxygenated blood in a human body.
Why is the separation of the right side and the left side of the heart useful? How does it help birds and mammals?
Give scientific reason.
Closed circulation is more efficient than open circulation.
Write a note on closed circulation.
From where to where do the following blood vessel carry blood?
Hepatic portal vein
Name these:
Two phases of circulation of blood in human body
Write the exact location of the following:
Hepatic portal vein
