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प्रश्न
Give reason for the following:
Only the veins and not the arteries are provided with valves.
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उत्तर
Veins carry the blood from the body part towards the heart while the arteries carry the blood
from the heart. Veins carry the blood against the force of gravity. Therefore, only the veins
and not the arteries are provided with valves.
संबंधित प्रश्न
Give technical terms for The protective covering of the heart
Give appropriate biological or technical terms for the following
The relaxation phase of the heart.
The table below is designed to indicate the transport of certain substance in our body. Fill in the
blanks with suitable answers.
| Substance | From | To |
| Lungs | Whole body | |
| Carbon dioxide | ||
| Urea | ||
| Digested carbohydrates |
Intestines | |
| Target organs |
During surgical operations or during accidents, the patient may be given blood from outside to save his life. What is the technical name of this process? Briefly explain the precautions to be taken in this process.
Describe the functions of the: Heart
Define the Circulatory system.
Define the Arteries.
State the Location: Bicuspid value
State the Location: Bundle of His
Serum differs from blood in lacking ____________.
