title: [The respiratory system].
mesh_terms: D000142:Acidosis, Respiratory / Q000209:etiology; D000397:Air Pollution; D001249:Asthma / Q000209:etiology; D002908:Chronic Disease; D006801:Humans; D008171:Lung Diseases; D008175:Lung Neoplasms / Q000628:therapy; D010102:Oxygen Inhalation Therapy; D011655:Pulmonary Embolism / Q000209:etiology; D011658:Pulmonary Fibrosis / Q000209:etiology; D012131:Respiratory Insufficiency / Q000628:therapy; D012140:Respiratory Tract Diseases; D012141:Respiratory Tract Infections / Q000209:etiology; D012507:Sarcoidosis / Q000209:etiology