Assertion: nurse shark | /r/CapableOf | pump water
Facets:
value: through their gills
type: MANNER
value: over its gills
type: TRANSITIVE-OBJECT
value: actively
type: MANNER
value: through closing
type: TEMPORAL
Source sentences:
text: Unlike most sharks, which require constant motion to move water over their gills and maintain a sufficient internal blood pressure, the nurse shark often remains motionless along the bottom - actively pumping water over its gills through the continual opening and closing of its mouth.
text: Because the Nurse shark can pump water over its gills, it does not need to swim in order to breathe.
text: Nurse sharks, however, can pump water through their gills while sitting still, allowing them to rest on the bottom.
text: Nurse sharks, however, can pump water through their gills while sitting still, allowing them to rest on the bottom.