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In human respiratory system different st...

In human respiratory system different stages are there beginning with nostril to gaseous exchange between blood and cell. Which of these stages do you think is amazing ? Why do you think so ?

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VGS PUBLICATION-BRILLIANT-RESPIRATION-EXERCISE
  1. Label the parts for given diagram.

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  2. A student conducted an experiment in which he proved CO2 evolved in re...

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  3. In human respiratory system different stages are there beginning with ...

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  4. After learning this lesson, what precautions will you take to protect ...

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  5. In which process food is broken down for release of energy ?

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  6. From which language the word respiration came ?

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  7. What was the gas liberated on heating powdered charcoal in a bell jar ...

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  8. What gas is needed for combustion of substances ?

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  9. The air we breathe out is warmer than air because.

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  10. In an annual plant, exchange of gases takes place mainly through

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  11. Air is filtered in this part of respiratory system.

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  12. Name the muscular valve in the pharynx controls movement of air and fo...

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  13. From where do the single celled organisms get oxygen ?

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  14. Vocal cords are present in this part of respiration system

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  15. Trachea are found in

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  16. Cluster of air sacs in lungs are called

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  17. Name the structure that plays important role in respiratory movements.

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  18. What is the percentage of oxygen in the exhaled air ?

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  19. The following alternative apparatus arrangement is to prove

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  20. Name the oxygen carrying pigment in blood

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