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Lung Capacity/Volume

This is a picture of a spiropet.


Lung Volume or Forced Vital Capacity (FVC). This is the total amount of air that the subject can breathe out after completely filling their lungs. Lung volume usually depends on your age, sex and height - being largest at around 20-25 years. Males normally have bigger lungs than females and taller people generally have larger lungs than shorter people.