Assertion: mucus | /r/CreatedBy | cell
Facets:
value: generally
type: DEGREE
value: in the body
type: LOCATION
Source sentences:
text: Mucus is produced by cells found in the mucous membranes of the digestive system.
text: Mucus is a thick fluid produced by various cells in the body.
text: Mucus is generally produced by the cells lining the sinus passages.