Assertion: trachea's cartilage | /r/CapableOf | constrict the airway
Facets:
Source sentences:
text: Complete tracheal rings : One or more rings of the cartilage that supports the trachea appear as O-shaped (instead of C-shaped) and constrict the airway.
text: : One or more rings of the cartilage that supports the trachea appear as O-shaped (instead of C-shaped) and constrict the airway.