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प्रश्न
A blood vessel which carries blood back to the heart is:
विकल्प
Artery
Vein
Capillary
Platelet
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उत्तर
Vein
Veins carry carbon dioxide rich blood from the various tissues of the body to the heart.
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संबंधित प्रश्न
Why does the heart need valves?
What is the name of blood vessels which connect arteries to veins?
Put a tick mark (✓) against the correct alternative in the following statement:
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Given below is a simple diagram of the circulation of blood in a mammal showing the main blood vessels, the heart, lungs, and body tissues. The blood vessel labeled 6 contains deoxygenated blood and 2 the valve leading to it has three semi-lunar pockets.
(i) Name the blood vessels of organs marked by numbers 1 to 8.
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(iii) What is diastole?
Complete the following sentence with appropriate word:
The blood vessel that begins and ends in capillaries is the _________.
Choose the Odd One Out:
Give scientific reason.
Arteries are thicker than veins.
How a portal vein differs from normal vein?
At the venous end of the capillary bed, the osmotic pressure is ______.
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Blood vessels consist of arteries and veins.
Analogy:
Carry oxygenated blood: Arteries.
Carry deoxygenated blood: ______.
The blood vessel which supplies oxygenated blood to cardiac tissue is ______.
Give reason Arterial walls are thicker than those of veins.
