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How does the epiglottis prevent foods an...

How does the epiglottis prevent foods and liquids from entering the larynx?

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During swallowing, the epiglottis closes over the larynx.
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SANTRA PUBLICATION-BREATHING AND RESPIRATION-Very Short Answer Type Questions
  1. What is the normal arterial blood P(CO(2)) ?

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  2. How many molecules of O(2) can transport one haemoglobin molecule?

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  3. How does the epiglottis prevent foods and liquids from entering the la...

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  4. Name the organ that produces sound.

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  5. Why do erythrocytes perform anaerobic respiration only?

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  6. Write the chemical reaction which is catalysed by the enzyme carbonic ...

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  7. What term is used for volume of air breathed in and out during each no...

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  8. What is residual volume?

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  9. What is the value of residual volume in normal human adult ?

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  10. What is the path taken by air molecules into and through the nose ?

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  11. Name the structure where inspired air is conditioned in human.

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  12. If anyone holds his/her breath for 30 seconds, what will happen to his...

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  13. Write the full form : ERV

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  14. Name the structure which separates nasal chambers and buccal cavity.

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  15. How many molecules of oxygen can associate with a molecule of haemoglo...

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  16. What is the normal value of tidal volume and total lung capacity in hu...

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  17. What is inspiratory capacity?

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  18. Which nerves carry impulses from the respiratory center to diaphragm?

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  19. Which nerves carry impulses from the respiratory center to the externa...

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  20. What causes O(2) to enter pulmonary capillaries from alveoli and to e...

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