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Name the opening in our body through whi...

Name the opening in our body through which we inhale air.

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LAKHMIR SINGH & MANJIT KAUR-RESPIRATION IN ORGANISMS -EXERCISE
  1. Where does the blood absorb oxygen in the human body ?

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  2. Name the red pigment in blood which carries oxygen in the human body ?

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  3. Name the opening in our body through which we inhale air.

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  4. Name one bad habit which can cause lung cancer.

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  5. Which group of animals have spiracles and tracheae for breathing and r...

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  6. What is the average breathing rate of a human adult at rest ?

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  7. Name the air-tubes of insects.

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  8. Name the small openings (holes) on the sides of the body of an insect.

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  9. Name the tiny pores on the surface of leaves of a plant through which...

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  10. Name any two parts of plant through which exchange of gases takes plac...

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  11. Which of the two can respire independently : plant parts or animal par...

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  12. From where do roots absorb air needed for respiration ?

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  13. State any one use of yeast.

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  14. Fill in the following blanks with suitable words: The process of res...

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  15. Fill in the following blanks with suitable words: Food can also be b...

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  16. Fill in the following blanks with suitable words: Anaerobic respirat...

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  17. Fill in the following blanks with suitable words: Anaerobic respirat...

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  18. Fill in the following blanks with suitable words: Yeast is a ………… ce...

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  19. Fill in the following blanks with suitable words: If a person is doi...

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  20. Fill in the following blanks with suitable words: Breathing involves...

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