Vital capacity of lung is ________.
IRV + ERV
IRV + ERV + TV + RV
IRV + ERV + TV - RV
IRV + ERV + TV
Vital capacity (VC) is the maximum volume of air a person can breathe in after a forced expiration. This includes Inspiratory Reserve Volume (IRV), Expiratory Reserve Volume (ERV), and Tidal Volume (TV). VC = IRV + ERV + TV.
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