Assertion: eustachian tube | /r/CapableOf | provide middle ear ventilation
Facets:
Source sentences:
text: The Eustachian Tube (ET) is a tube that connects the middle ear cavity and the nasopharynx and provides middle ear ventilation.
text: The Eustachian Tube (ET) is a tube that connects the middle ear cavity and the nasopharynx and provides middle ear ventilation.