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The valves which are present in the bloo...

The valves which are present in the blood vessels are closed to prevent backward flow of blood into the ventricles we hear the sound of heart as

A

Inter auricular septa

B

Valves

C

Atrioventricular septa

D

All the above

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VGS PUBLICATION-BRILLIANT-TRANSPORTATION-EXERCISE
  1. In human body A is a pumping organ from lungs blood vessel B with oxyg...

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  2. The diagram shows the heart with its main blood vessels Which b...

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  3. The valves which are present in the blood vessels are closed to preven...

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  4. In which organisms, blood does not supply the Oxygen?

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  5. The diagram shows the heart with its main blood vessels Which b...

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  6. Which of the following helps in ascent of sap?

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  7. Which of the following doesn't have valves?

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  8. Hypertension is due to

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  9. Why should we measure B.P. in the upper arm artery?

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  10. The pulse rate of children over 10 years and adults including senior c...

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  11. The deficiency of vitamin K causes

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  12. Which of the following ions play important role in blood clotting?

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  13. The septum that divides the two ventricles can be named as……………..

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  14. The hole present in the interventricular septum is called

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  15. The septum that divides the atrium and ventricle can be named as……………....

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  16. The aperture that is connecting the left atrium and left vertricle can...

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  17. The valve that is present between right atrium and right ventricle is ...

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  18. Atrioventricular valves are opened due to

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  19. Heart is an important organ for circulation. For healthy heart everyon...

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  20. Doctors measure the blood pressure with a device. What is it?

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