title: Some aspects of pulmonary defence.
mesh_terms: D000917:Antibody Formation; D001986:Bronchial Spasm / Q000503:physiopathology; D002923:Cilia / Q000502:physiology; D003371:Cough / Q000503:physiopathology; D006801:Humans; D007111:Immunity, Cellular; D007070:Immunoglobulin A; D008168:Lung / Q000502:physiology*; D008208:Lymphatic System / Q000502:physiology; D008264:Macrophages / Q000502:physiology; D009093:Mucus / Q000502:physiology; D010316:Particle Size; D011650:Pulmonary Alveoli / Q000502:physiology; D012018:Reflex / Q000502:physiology; D012119:Respiration; D012137:Respiratory System / Q000276:immunology; D014777:Virus Diseases / Q000503:physiopathology
chemical_list: D007070:Immunoglobulin A