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प्रश्न
In which organ of our body does blood get oxygenated?
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उत्तर
Blood becomes oxygenated in the lungs. The oxygenated blood is returned to left verticles by the pulmonary vein.
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संबंधित प्रश्न
Name the two types of transport systems in the human beings.
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 small intestine in herbivores longer than in carnivores?
Select the correct option:
Give scientific reason.
Closed circulation is more efficient than open circulation.
Why is the double circulation of blood in human beings necessary?
Define portal vein.
Write important role/roles of the following:
Hepatic portal vein
