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प्रश्न
State the differences between artery, vein and capillary.
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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 |
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संबंधित प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
Pulmonary vein carries :
Put a tick mark (✓) against the correct alternative in the following statement:
Function of WBCs is to
- Transport oxygen
- Help in clotting of blood
- Provide immunity
- Provide storage of food.
Fill in the blank with suitable word given below:
The carbon dioxide loaded blood from right ventricle is pumped into the lungs through _________ artery.
Fill in the blank with suitable word given below:
The liquid part of coagulated blood is known as____________.
Multiple choice question. Tick (✓) the correct choice:
The blood cells which protect the body from infection are
- RBCs
- platelets
- WBCs
- all the above
Describe the functions of Red blood cells.
Define the term Veins.
Name the following:
Different blood groups
Find the odd one out, giving reason:
Arteries, capillaries, blood, veins
Find the odd one out, giving reason:
RBC, platelets, anti-A, WBC
A muscular wall is absent in ______.
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 name of the blood vessel in each case as mentioned ahead.
Which vessel would contain the highest concentration of amino acids and glucose soon after a meal?
Write three types of blood vessels. Give one important feature of each.
Complete the following sentence with appropriate word:
The blood vessel leaving the left ventricle of the mammalian heart is the _________.
Identify the reason because of which the walls of the arteries are thicker than those of veins.
Which blood vessel is indicated by 'X' in the following diagram?
Select the incorrect statements with respect to blood vessels.
- Capillaries are thin-walled having a single layer of ciliated epithelium.
- Arteries are pulsatile and devoid of valves.
- Portal vein starts as capillaries from one organ and ends as capillaries in another organ.
- All arteries carry oxygenated blood whereas all veins carry deoxygenated blood.
- Capillary walls bear fenestrae through which WBCs can move out by diapedesis.
Choose the correct answer from the options given below:
The blood vessel which supplies oxygenated blood to cardiac tissue is ______.
From where to where do the following blood vessel carry blood?
Renal artery
Name these:
Three kinds of blood vessels.
