Advertisements
Advertisements
प्रश्न
Explain the difference.
Arteries and veins.
Advertisements
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
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
Which organ acts as a pump in the circulatory system?
Is it true that your heart beats more than one lac times per day?
Find out my partner.
| Group ‘A’ | Group ‘B’ |
| 1. Heart beats | a. 350 ml |
| 2. RBC | b. 7.4 |
| 3. WBC | c. 37°C |
| 4. Blood donation | d. 72 |
| 5. Normal body temperature | e. 50-60 lakh/mm3 |
| 6. pH of oxygenated blood | f. 5000-6000 per mm3 |
Blood consists of two parts - a liquid part and a cellular part. Name these parts and briefly write about them
Given alongside is a diagram of human heart showing its internal structures. Label the parts marked 1 to 6, and answer the following questions.
- Which types of blood is carried by the blood vessel marked 2?
- Name the main artery which takes the blood from heart to different parts of the body?
- Which chamber of the heart receives deoxygenated blood from the body?
- Which chamber of the heart receives oxygenated blood from the lungs?
Fill in the blank:
______ carry pure blood.
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.
A female has haemophilic brother and parents having nonual blood clotting. She marries a male who has no history of haemophilia in his family. What is the possibility of her children having this disease?
