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प्रश्न
What is meant by the term 'Double circulation'?
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
Describe double circulation in human beings.
What is the significance of double circulation?
What is meant by the term 'single circulation'?
Which blood vessel does not carry any carbon dioxide?
In which organ of our body does blood get oxygenated?
What is the difference between pulmonary circulation and systemic circulation?
What is the difference between pulmonary circulation and systemic circulation?
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
In which of the following groups of organisms, blood flows through the heart only once during one cycle of passage through the body?
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.
In which, blood circulation starts and ends in capillaries?
Give scientific reason.
Closed circulation is more efficient than open circulation.
Write a note on closed circulation.
Oxygenated blood to the liver is supplied by ______.
Why is the double circulation of blood in human beings necessary?
Choose the odd one out from the following terms and name the category to which the others belong:
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 important role/roles of the following:
Hepatic portal vein
Write the exact location of the following:
Hepatic portal vein
