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What do the greenish-blue lines just bel...

What do the greenish-blue lines just below our skin on hands and legs represent ?

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LAKHMIR SINGH & MANJIT KAUR-TRANSPORT IN ANIMAL AND PLANTS-EXERCISE
  1. Write the full form of WBC.

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  2. Name the organ which pumps blood in the human body.

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  3. What do the greenish-blue lines just below our skin on hands and legs ...

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  4. Which of the two lie deeper under the skin : arteries or veins ?

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  5. What is the name of blood vessels which connect the arteries to veins?

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  6. Veins and arteries carry blood. Which of these carry blood : away fr...

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  7. Veins and arteries carry blood. Which of these carry blood: (a) away...

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  8. Which side of the heart (left or right) has : carbon dioxide rich bl...

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  9. Which side of the heart contains oxygenated (pure) blood ?

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  10. Which side of the heart (left or right) : pumps blood into the lung...

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  11. Which side of the heart (left or right) : pumps blood into the body ...

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  12. Name the organ of the body from which blood freshly enriched with oxyg...

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  13. If the pulse rate of an athlete is 95 per minute , what is the number ...

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  14. Which of the two is used for feeling the pulse : artery or vein?

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  15. Name any two animals which do not have blood (or circulatory system).

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  16. Where is the dirty blood in our body filtered ?

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  17. Name the waste product excreted : by the lungs.

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  18. Name the waste product excreted : by the kidneys.

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  19. Name the organs which remove the following waste products from our bod...

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  20. Name the organs which remove the following waste products from our bod...

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