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प्रश्न
Differentiate between an artery and a vein with reference to lumen and thickness of wall.
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उत्तर
| Artery | Vein | |
| 1. | The lumen is narrow. | The lumen is wide. |
| 2. | It is thick-walled. | It is thin-walled. |
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संबंधित प्रश्न
Write one structural difference between the composition of arteries and veins.
What are the upper parts of the heart called?
What is the name of blood vessels which connect arteries to veins?
Fill in the blank.
___________ carry pure blood.
Write in brief about the following:
Blood transfusion.
What is blood pressure? When does it rise?
Write three types of blood vessels. Give one important feature of each.
Which blood vessel is indicated by 'X' in the following diagram?
Assertion: Veins have thin walls to collect blood from different organs.
Reason: Blood in veins are not under pressure.
Analogy:
Carries blood from the right ventricle to lungs: Pulmonary artery.
Carries blood from the lungs to left atrium: ______.
