Assertion: mucus's cell | /r/HasProperty | mucus
Facets:
Source sentences:
text: It's produced by mucus cells in mucus glands and contains primarily water, mucin, salts, electrolytes and various types of cells, such as epithelial cells.
text: Mucus is a thick fluid secreted by mucus cells that are located in various organs.
text: Cells in the mucous membranes secrete mucus, which lubricates the membranes and protects against infection.