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What is the reason for the heart beat?...

What is the reason for the heart beat?

A

Closing of tricuspid and bicuspid valves

B

Closing of aorta and pulmonary valves

C

Blood flows rapidly through valves

D

Flow of blood in ventricles

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BEYOND PUBLICATION-TRANSPORTATION - THE CIRCULATORY SYSTEM-EXERCISE
  1. a) Root hairs influlence the movement of water upto the terminal part ...

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  2. Name the mamals that scratch the bark of trees to get food stored in t...

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  3. What is the reason for the heart beat?

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  4. Which of the following statements are true? 1) Arteries have thick w...

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  5. What percaution do you take while conducting the experiment on root pr...

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  6. The following diagram has thick wall and less lumen What blood vessel ...

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  7. What is cardiac cycle?

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  8. The given picture explains

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  9. Which of the following is vein?

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  10. The following picture indicates the double circulation in pulmonary ci...

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  11. Which of the following has closed circulatory system ?

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  12. In latin 'Capillaries' means……………

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

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  14. Which of the following is formed due to the interatrial septum?

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  15. The layer that encloses lungs are called plura. Likewise the layer tha...

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  16. The process involved in transpiration

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  17. Why arteries are rigid? Give reasons

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  18. What is the normal heart beat rate is adults?

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  19. Aorta which supplies oxygenated blood to the body parts arise from?

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  20. Write about the changes in the evolution of transport system in animal...

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