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Class 11BiologyBreathing and Exchange of GasesRespiratory volumes and capacities
Medium

The lungs are made up of air-filled sacs,the alveoli. They do not collapse even after forceful expiration because of:

  • A
    Residual Volume $(RV)$
  • B
    Inspiratory Reserve Volume $(IRV)$
  • C
    Tidal Volume $(TV)$
  • D
    Expiratory Reserve Volume $(ERV)$
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Class 11 Questions

Class 11

Biology Questions

Chapter

Breathing and Exchange of Gases

Subtopic

Respiratory volumes and capacities

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