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What is the reason for the Lubb- dubb s...

What is the reason for the Lubb- dubb sounds of the heart?

A

Closing of valves in auricle and ventricles

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
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  2. Find the reasons for slow breathing in walking compared to running fas...

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  3. What is the reason for the Lubb- dubb sounds of the heart?

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  4. Observe the diagram and answer the questions What blood vessel is it?

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  5. Doctors used to hear heart beat by keeping ear on the chest later on u...

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  6. You heared a rhythmic sound from your heart after running. That means ...

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  7. We will get this stage if we travel overnight in the bus………..

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  9. Brownian movement, Pseudocoelom, Eucoelom ,Trachea, Heart. Find the c...

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  10. Prothrombinoverset(Thrombok i nase) rarr Thrombin- This is a part of w...

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  11. Artries supply blood to all the body parts Walls of artries are rigi...

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  12. Write differences between the right ventricle and the leflt ventricle.

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  13. Which artery brings oxygenated blood to kidney ?

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  14. Which of the following group, represent the correct pathway of blood f...

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  15. a) Supply of material is done through blood vessels in closed type of ...

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  16. Find out the correct statements from a and b a) The way for flow of ...

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  17. a) Ventricles expand soon after filled with blood during heart beat b...

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  18. a) Root hairs influlence the movement of water upto the terminal part ...

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  19. Is there any relation between transpiration and rainfall?

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  20. a) Root hairs influlence the movement of water upto the terminal part ...

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