Assertion: mucus | /r/CapableOf | line throat
Facets:
Source sentences:
text: Mucus — also known as sputum — is a sticky, gelatinous material that lines your lungs, throat, mouth, nose, and sinuses.
text: Mucus is a clear, stringy fluid produced by mucous glands in tissues lining the nose, mouth and throat.
text: It lines your mouth, nose, throat, sinuses, lungs, and gastrointestinal tract.