title: Protection of the respiratory tract -- mucus production: a review.
mesh_terms: D000818:Animals; D002415:Cats; D002923:Cilia / Q000502:physiology; D004548:Elasticity; D004847:Epithelial Cells; D006801:Humans; D009077:Mucins / Q000378:metabolism; D009092:Mucous Membrane / Q000166:cytology; D009093:Mucus / Q000378:metabolism / Q000502:physiology*; D011892:Rana catesbeiana; D012143:Respiratory Physiological Phenomena; D012137:Respiratory System / Q000166:cytology / Q000378:metabolism; D014783:Viscosity
chemical_list: D009077:Mucins