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Breathing And Exchange Of Gases

Question
CBSEENBI11025186

The Largest quantity of air that can be expired, after maximal inspiration, is called :

  • tidal volume

  • vital capacity

  • residual volume

  • total lung volume

Solution

B.

vital capacity

The volume expired by a maximal compression of the chest, after maximal inspiration effort, is called vital capacity. It is the sum of volume of air inspired or expired in each normal breathe, volume of air in deepest possible inspiration and volume of air in forced expiration after normal expiration.