Assertion: nurse shark | /r/CapableOf | pull a current of water
Facets:
value: across the gills
type: TRANSITIVE-OBJECT
value: in order to breathe
type: PURPOSE
Source sentences:
text: Unlike most sharks that must constantly swim to breathe, nurse sharks have developed a pumping mechanism (“buccal pump”) that allows them to remain motionless on the seafloor while pulling a current of water across the gills in order to breathe.