Assertion: mucus | /r/CapableOf | serve to protect epithelial cells
Facets:
Source sentences:
text: Mucus serves to protect epithelial cells in the linings of the respiratory, digestive, and urogenital systems, and structures in the visual, and auditory systems from pathogenic fungi, bacteria and viruses.
text: Mucus serves to protect epithelial cells (that line the tubes) in the respiratory, gastrointestinal, urogenital, visual, and auditory systems; the epidermis in amphibians; and the gills in fish, against infectious agents such as fungi, bacteria and viruses.