[Role of the mucus in the mucous villi transport system of the airway].
D000818:Animals; D001001:Anura; D002923:Cilia / Q000502:physiology*; D008954:Models, Biological; D009061:Mouth Mucosa / Q000502:physiology; D009068:Movement; D009092:Mucous Membrane / Q000502:physiology; D009093:Mucus / Q000502:physiology*; D012143:Respiratory Physiological Phenomena