Assertion: mucous membrane | /r/CapableOf | make mucus
Facets:
value: to keep the cavity
type: PURPOSE
Source sentences:
text: Mucous membranes make mucus, which keeps them moist.
text: The mucous membrane located in the sinuses produce mucus which acts as a filtering system for dirt and dust.
text: During cold, dry seasons, the mucus lining nasal passages tends to dry out, meaning that mucous membranes must work harder, producing more mucus to keep the cavity lined.