Assertion: esophagus | /r/HasProperty | connecting tube
Facets:
value: simply
type: MANNER
value: in the majority of vertebrates
type: OTHER
Source sentences:
text: In the majority of vertebrates, the esophagus is simply a connecting tube, but in some birds, which regurgitate components to feed their young, it is extended towards the lower end to form a crop for storing food before it enters the true stomach.