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Question: Answered & Verified by Expert
A person breathing normally at rest takes in and expels approximately half a litre of air during each respiratory cycle. This is called
BiologyBreathing and Exchange of GasesNEET
Options:
  • A Inspiratory reserve volume
  • B Tidal volume
  • C Expiratory reserve volume
  • D Vital capacity
Solution:
2610 Upvotes Verified Answer
The correct answer is: Tidal volume
The volume of air breathed in and out involuntarily in each normal breath is called tidal volume or TV. It is about 500 ml of air in average young adult man.

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