Assertion: eustachian tube | /r/CapableOf | allow air
Facets:
value: into the middle ear
type: TRANSITIVE-OBJECT
Source sentences:
text: If you swallow or hold your nose and exhale with your mouth closed, the eustachian tubes , which connect the ears to the nose and throat, will usually open, allowing air into the middle ear and equalising the pressure.
text: They serve to regulate the pressure in the middle ears, allowing air in and draining mucus out.
text: They serve to regulate the pressure in the middle ears, allowing air in and draining mucus out.