<prompt> Which among the following lung capacity is maximum?IRVFRCIRVERVVC  <response>: Ans: d Vital capacity Ref: Ganong, 22nd ed, p. 652Please go through diagram given below make the facts clear.LUNG VOLUMESInspiratory capacity IC TV IRVFunctional residual capacity ERV RVVital capacity ERV TV IRVTotal lung capacity ERV TV IRV RV. Male LFemale LResidual volumeExpiratory reserve volume1.211.10.7Tidal volume0.50.5Inspiratory reserve volumeTotal lung capacity3.361.94.2 Respiratory minute volume - 6 L minAlveolar ventilation -4.2LminMaximum voluntary ventilation - 125-170 LminMax work done in breathing - 10 kg-m breathNormal work done in breathing -0.5 kg-m minTimed vital capacity secFEV1 -83 FEV3 -97REMEMBERTotal lung capacity is measured by:1 Helium dilution method2 Body plethismographyResidual volume is measured by:1 N2 washout method. 