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Breathing And Exchange Of Gases

Question
CBSEENBI11025154
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The largest quantity of air that can be expired after a maximum inspiratory effort is

  • residual volume

  • tidal volume

  • vital capacity of lung

  • lung volume

Solution

B.

tidal volume

Tidal volume (symbol VT or TV) is the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied. In a healthy, young human adult,tidal volume is approximately 500 mL per inspiration or 7 mL/kg of body mass.

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