Assertion: esophagus's layer | /r/HasProperty | closed at both ends
Facets:
value: to prevent liquids
type: PURPOSE
value: to prevent food
type: PURPOSE
value: by sphincter muscles
type: CAUSE
value: tightly
type: MANNER
Source sentences:
text: The muscular layers that form the esophagus are closed tightly at both ends by sphincter muscles, to prevent food or liquids from leaking from the stomach back into the esophagus or mouth.
text: The muscular layers that form the esophagus are closed tightly at both ends by sphincter muscles, to prevent food or liquids from leaking from the stomach back into the esophagus or mouth.