<prompt> Total lung capacity depends upon:-Size of airwayClosing volumeLung complianceResidual volume  <response>: TLC is the maximum volume to which the lungs can be expanded with the greatest possible effo. TLC VC RV VC IRV TV ERV The expansion of lungs depends on its compliance Def: the extent to which lungs will expand for each unit increase in Transpulmonary pressure is ka lung compliance. 