title: Hypercapnia and gas exchange.
mesh_terms: D001991:Bronchitis / Q000503:physiopathology; D002245:Carbon Dioxide / Q000097:blood; D002908:Chronic Disease; D006801:Humans; D006935:Hypercapnia / Q000503:physiopathology*; D006985:Hyperventilation / Q000503:physiopathology; D007040:Hypoventilation / Q000503:physiopathology; D011650:Pulmonary Alveoli / Q000503:physiopathology; D011656:Pulmonary Emphysema / Q000503:physiopathology; D012119:Respiration; D012126:Respiratory Dead Space; D013990:Tidal Volume; D014692:Ventilation-Perfusion Ratio
chemical_list: D002245:Carbon Dioxide