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The air you breathe in or out in one normal breath, about 500 mL, is the:
AVital capacity
BDead space
CTidal volume
DResidual volume
Answer & Solution
Correct answer: C. Tidal volume
1. A normal breath moves about half a litre.
2. This volume rises and falls like a tide.
3. It is the tidal volume.
_Source: NCERT Class 11 Biology, Chapter 17, Breathing and Exchange of Gases._
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