Biologyhard · Past Paper
Which of the following describes 'Tidal Volume' in human respiration?
AMax volume air can be exhaled
BVolume of air inspired or expired during normal breath
CAir remaining in lungs after max exhalation
DTotal capacity of lungs
✓ Correct Answer: B — Volume of air inspired or expired during normal breath
Tidal volume is the amount of air that moves in or out of the lungs with each respiratory cycle at rest (approx 500ml).
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