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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
How many types of blood vessels are there in the human body? Name them.
Differentiate between the following pair of terms:
Pulmonary artery and pulmonary vein.
Fill in the blank with suitable word given below:
The oxygen-rich blood is pumped into different parts of the body through ________.
Name the instruments used for measuring blood pressure.
A muscular wall is absent in ______.
The pH of the blood is maintained by ____________.
Why do arteries have thick and elastic walls whereas veins have valves?
______ carry blood to an organ and break up into ______ ending in capillaries.
Walls of capillaries consist of a single layer of squamous ______ cells.
Given alongside are diagrams of a certain category of blood vessels showing the role of a special structure in their walls. Study the figure and answer the questions that follow.
 |
- Name the kind of blood vessels shown in the figure. What are its branches termed as?
- Name the structure shown inside the blood vessels. Write its important role.
- What kind of blood flows through these blood vessels normally? Name the blood vessel which carries blood from the heart to the lungs.
- Name a similar kind of blood vessel which is related to the liver and kidney.
- Draw a neat and labelled diagram of the transverse section of the blood vessel shown above showing the three layers of its wall and lumen.
