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प्रश्न
Differentiate between:
Arteries and Veins.
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उत्तर
| Arteries | Veins |
| These carry blood from the heart to different organs of the body. | These collect blood from different organs of the body. |
| These contain oxygenated blood (Pulmonary artery contains deoxygenated blood) | These contain deoxygenated blood. (Pulmonary vein contains oxygenated blood). |
| Blood flows rapidly with jerks under pressure. |
Blood flows slowly at a constant slow speed. |
| The walls are thick and elastic. | The walls are thin and non-elastic. |
| Valves are absent. | Valves are present. |
संबंधित प्रश्न
Name the following:
The valve present in between the chambers on the right side of the human heart.
Differentiate between members of the following pairs with reference to the aspect asked
within bracket:
Erythrocytes and leucocytes (function)
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
Tricuspid and bicuspid values (location)
How do you account for the following difference?
The left ventricle has thicker walls than the right ventricle.
Give reason for the following:
The arteries are deep seated in the body
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
What is the location of maturation of T-lymphocytes?
______ is a granulocyte.
Assertion (A): RBCs help in the transport of respiratory gases.
Reason (R): The cytoplasm of RBCs contains the respiratory pigment Haemoglobin.
Given below are four statements regarding human blood circulatory system:-
- Arteries are thick walled and have narrow lumen as compared to veins.
- Angina is acute chest pain when the blood circulation to the brain is reduced.
- Persons with blood group AB can donate blood to any person with any blood group under ABO system.
- Calcium ions play a very important role in blood clotting.
Which two of the above statements are correct?
