title: The role of the nose in the functional unit of the respiratory system.
mesh_terms: D000402:Airway Obstruction / Q000150:complications; D000818:Animals; D001980:Bronchi / Q000502:physiology; D002318:Cardiovascular Diseases / Q000209:etiology; D002923:Cilia / Q000502:physiology; D004285:Dogs; D006801:Humans; D007136:Immunoglobulins / Q000502:physiology; D008168:Lung / Q000502:physiology; D009297:Nasal Mucosa / Q000033:anatomy & histology / Q000276:immunology / Q000378:metabolism; D009666:Nose / Q000502:physiology* / Q000503:physiopathology; D010256:Paranasal Sinuses / Q000502:physiology; D010608:Pharyngeal Diseases / Q000503:physiopathology; D012018:Reflex / Q000502:physiology; D012119:Respiration; D012131:Respiratory Insufficiency / Q000150:complications; D012143:Respiratory Physiological Phenomena
chemical_list: D007136:Immunoglobulins