Pathophysiological relationship between the upper and lower airways.
D000818:Animals; D004417:Dyspnea / Q000503:physiopathology; D007839:Functional Laterality; D006801:Humans; D008168:Lung / Q000502:physiology / Q000503:physiopathology; D009300:Nasal Septum / Q000503:physiopathology; D009666:Nose / Q000502:physiology / Q000503:physiopathology*; D009667:Nose Deformities, Acquired / Q000503:physiopathology*; D012018:Reflex; D012119:Respiration; D012143:Respiratory Physiological Phenomena; D012137:Respiratory System / Q000503:physiopathology*