<prompt> Vital capacity is:Tidal volume Expiratory Reserve VolumeTidal volume Inspiratory Reserve VolumeI.R.V. E. R.V.T.V. I.R.V. E.R.V.  <response>: Ans. D. T.V. I.R.V. E.R.V.Lungs capacitiesVCIRVTVERVICIRVTVVCICERVFRCERVRVbTLCIRVTVERVRVor ICFRVor VCRVFig.: Diagram showing respiratory excursions during normal breathing and during maximal inspiration and maximal expiration 