 Breathing Lung Model  Summary And Future Work 2  Computational Fluid Dynamics (CFD): an important tool in understanding air flow inside lungs  Prediction of particle deposition  To understand the etiology of lung pathology (pollutant)  To improve drug delivery methods (therapeutic)  Other applications include  Understanding gas mixing to help improve helium MRI/xenon-CT imaging protocols  Assessing airway resistance and wall shear stress  ...