Advertisements
Advertisements
प्रश्न
State the differences between artery, vein and capillary.
उत्तर
Differences between artery, vein, and capillary:
| Arteries | Veins | Capillaries |
| Arteries are tough, thick, and elastic tubes. | Veins are thin-walled and non-elastic tubes. | Capillaries are very thin-walled tubes. |
| They have a narrow lumen. | They have a wide lumen. | They have a very narrow lumen, just wide enough for a red blood cell to pass through it. |
| They carry blood away from the heart to the various organs of the body, at high pressure. | They transport blood towards the heart from various organs, at low pressure. | They carry blood from the arteries to the veins. |
| They do not have valves. | They have valves to prevent the backward flow of the blood. | They do not have valves. |
| They transport only oxygenated blood (except for the pulmonary artery). | They transport only deoxygenated blood (except for the pulmonary vein). | They exchange oxygen, carbon dioxide, water, and salts between the blood and the surrounding tissues |
APPEARS IN
संबंधित प्रश्न
Name largest vein, in our body.
Put a tick mark (✓) against the correct alternative in the following statement:
The only artery which carries deoxygenated blood is :
Multiple choice question. Tick (✓) the correct choice:
The four blood groups in humans are
- A, B, C and D
- A, B, AB and C
- A, B, AB and O
- A, B, AB and OO
Which of the following statement is true (T) and which ones are false (F)? Mark T or F:
People with blood group ‘O’ are called universal recipients.
A muscular wall is absent in ______.
Complete the following sentence with appropriate words:
The three distinct types of blood vessels are _____, ______, and _________.
Complete the following sentence with appropriate word:
The blood vessel leaving the left ventricle of the mammalian heart is the _________.
Long answer question:
How blood is kept moving in the large veins of the legs?
Arteries carry oxygenated blood except ______.
From where to where do the following blood vessel carry blood?
Renal artery
