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When are the 'lubb' and dubb' sounds pro...

When are the 'lubb' and dubb' sounds produced by heart?

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VGS PUBLICATION-BRILLIANT-TRANSPORTATION-EXERCISE
  1. Describe the blood vessels that carry away blood from human heart?

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  2. How is the human heart protected from shocks or injuries?

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  3. When are the 'lubb' and dubb' sounds produced by heart?

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  4. What is cardiac cycle ? How does it occur?

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  5. Which blood vessels carry blood from heart to body parts?

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  6. What is cardiac cycle ? How does it occur?

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  7. The correct order/sequence of different phases of human cardiac cycle.

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  8. What is double circulation?

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  9. What are the components of the transport system in highly organised pl...

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  10. State the role and function of lymph in human transport system?

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  11. Write the differences between blood and lymph?

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  12. A certain tissue in a green plant somehow gets blocked and the leaves ...

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  13. How does transpiration help plnats ?

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  14. Transpiration is necessary evil. Explain?

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  15. Observe the given diagram. Which type of cardiac cycle does it indicat...

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  16. Write about the blood vessels that bring blood to human heart.

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  17. Why heart is very vital organ ?

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  18. After undergoing strenuous exercise we feel pain in muscles, does adeq...

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  19. Why do we.get heart áttack?

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  20. I supply blood to the heart muscles. Any blockage in the leads to hear...

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