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How many layers are convering the heart?...

How many layers are convering the heart?

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VGS PUBLICATION-BRILLIANT-TRANSPORTATION-EXERCISE
  1. How do you observe the mammalian heart?

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  2. What is shape of human heart?

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  3. How many layers are convering the heart?

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  4. What is the number of blood vessles attached to the heart?

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  5. Which end of the heart is broader and which end is narrow?

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  6. Is the thickness of the wall of the heart uniform throughout?

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  7. Observe the diagram and answer the following questions. How many c...

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  8. Are all the chambers in the same size?

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  9. What are the other differences could you observe between the chambers?

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  10. Do you find any specific observation in between two chambers?

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  11. Are all the chambers connected to each other?

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  12. How are they connected to each other? How are they separated?

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  13. What is the number of blood vessles attached to the heart?

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  14. Are all the blood vessels right ? How many of them are rigid?

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  15. Do you think that the stiffness/rigidity of blood vessel is something ...

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  16. How is water absorbed into the roots? Explain with an experiment?

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  17. Explain the process of absorption of water by the root hair and moveme...

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  18. Describe an experiment to demonstrate root pressure in plants?

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  19. Why do subcutaneous blood vessels bulge on the side away form the hear...

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  20. What is the difference between pulmonary artery and pulmonary vein?

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