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प्रश्न
Explain the difference.
Arteries and veins.
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उत्तर
|
Arteries |
Veins |
| 1. Carries blood towards organs and away from the heart. | Carries blood towards the heart and away from organs. |
| 2. Carries fully oxygenated blood | Carries deoxygenated and CO2 enriched blood. |
| 3. Blood flows with high pressure and jerks. | Blood flows with low pressure and smoothly. |
| 4. Have no valves | Have valves to prevent backflow of blood. |
| 5. Walls are elastic. | Walls are non-elastic. |
| 6. Are Deeply placed. | Are superficial. |
| 7. Branched and decreases in size. | Unites and increases in size |
| 8. Can constrict and dilate | Cannot constrict. |
| 9. Have thick and muscular walls | Have thin and less muscular walls. |
| 10. Smallest artery is called arteriole | The smallest vein is called Venules. |
संबंधित प्रश्न
Draw the structure of a human heart and label its parts.
Name the following:
The phase of the cardiac cycle in which the auricles contract.
Find the odd one out.
Match the statements in Column A with those in Column B
| Column A | Column B | ||
| 1 | Heart | a | Movement of materials |
| 2 | Food and oxygen | b | Channels for transport in man |
| 3 | Carrier of oxygen | c | A living pump |
| 4 | Circulation | d | Materials needed by every living being |
| 5 | Arteries and veins | e | Red blood cells |
Define the Arteries.
Name the main artery which carries blood to different parts of the body.
Choose the correct alternative.
What is the minimum number of the plasma membrane that oxygen has to diffuse across to pass from air in the alveolus to haemoglobin inside a RBC?
Which of the following is TRUE regarding closed circulatory system?
Which component of the haemoglobin molecule combines with the oxygen molecule to form oxyhaemoglobin?
Name the following:
The structure that holds the heart valves in position.
