title: Defense mechanisms of the lungs.
mesh_terms: D000941:Antigens; D001424:Bacterial Infections / Q000276:immunology; D001980:Bronchi / Q000502:physiology; D002923:Cilia / Q000502:physiology; D003371:Cough; D004785:Environmental Pollutants; D004787:Environmental Pollution; D005796:Genes; D006648:Histocompatibility; D006801:Humans; D007111:Immunity, Cellular; D007073:Immunoglobulin E; D008168:Lung / Q000276:immunology / Q000502:physiology*; D008208:Lymphatic System / Q000502:physiology; D008214:Lymphocytes / Q000276:immunology; D009093:Mucus / Q000502:physiology; D009500:Neutralization Tests; D009666:Nose / Q000502:physiology; D011650:Pulmonary Alveoli / Q000502:physiology; D012018:Reflex; D012140:Respiratory Tract Diseases / Q000503:physiopathology; D012141:Respiratory Tract Infections / Q000276:immunology; D011984:Sensory Receptor Cells / Q000502:physiology; D012912:Sneezing; D014777:Virus Diseases / Q000276:immunology
chemical_list: D000941:Antigens; D004785:Environmental Pollutants; D007073:Immunoglobulin E