Physics of gas flow in the lungs.
D000403:Airway Resistance; D001980:Bronchi / Q000502:physiology; D006801:Humans; D008168:Lung / Q000502:physiology*; D008954:Models, Biological; D011312:Pressure; D011650:Pulmonary Alveoli / Q000502:physiology; D012123:Pulmonary Ventilation; D014132:Trachea / Q000502:physiology