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प्रश्न
Describe the structural differences between an artery and a vein.
Mention two structural differences between an artery and a vein.
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उत्तर
| Artery | Vein |
| An artery is a vessel that carries blood away from the heart towards any organ. | A vein is a vessel which conveys the blood away from an organ towards the heart. |
| An artery has thick muscular walls. | A vein has thin muscular walls. |
| It has a narrow lumen. | It has a broad lumen. |
| There are no valves. | Thin pocket-shaped valves are present in the veins. |
| Arteries progressively decrease in size and branch to form arterioles. Arterioles further break up to form capillaries. | Capillaries unite to form branches called Venules. Venules further unite to form veins. |
संबंधित प्रश्न
Differentiate between the following pair of terms:
Platelets and WBC.
Give any three differences between an artery and a vein.
Describe the functions of White blood cells.
Describe the functions of Platelets.
Describe the functions of Blood.
The following simplified diagram refers to the outline plan of the circulation of blood in a mammal. Study the diagram and write the number and the name of the blood vessel in each case as mentioned ahead.
Several hours after a meal containing a lot of protein, which vessel will contain the highest concentration of urea?
Long answer question:
Which blood vessel of the heart will have the maximum content of oxygen and why?
Why is the velocity of blood flow the lowest in the capillaries?
Give reason Arterial walls are thicker than those of veins.
Distinguish between the following pair on the basis of words indicated in the bracket ( ):
Arteries and Veins (Wall and lumen)
