title: Gas exchange.
mesh_terms: D000328:Adult; D000368:Aged; D000768:Anesthesia, General / Q000009:adverse effects; D000769:Anesthesia, Inhalation / Q000009:adverse effects; D000777:Anesthetics / Q000009:adverse effects; D000818:Animals; D004285:Dogs; D005652:Functional Residual Capacity; D006801:Humans; D000860:Hypoxia / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D008171:Lung Diseases / Q000503:physiopathology; D008875:Middle Aged; D005741:Noble Gases / Q000032:analysis; D011175:Positive-Pressure Respiration; D011652:Pulmonary Circulation; D011659:Pulmonary Gas Exchange / Q000187:drug effects; D012119:Respiration; D012121:Respiration, Artificial; D012756:Sheep; D013990:Tidal Volume; D014692:Ventilation-Perfusion Ratio
chemical_list: D000777:Anesthetics; D005741:Noble Gases