<prompt> Compliance of lungs is200 mlcm water500 mlcm water800mlcm water1000mlcm water  <response>: The change in lung volume per unit change in airway pressure DVDP is the compliance stretchability of the lungs and chest wall. It is normally measured in the pressure range where the relaxation pressure curve is steepest, and the normal value is approximately 0.2 Lcm H2O.Ref: Ganong review of medical physiology 23rd edition Page no: 595 