Assertion: alligator's eyelid | /r/CapableOf | protect eye
Facets:
value: flaps close
type: MANNER
Source sentences:
text: Flaps close off the ears and nostrils, the inner eyelids protect the eyes and a special flap called the palatal valve closes at the back of the throat to keep water out of the throat, stomach and lungs.
text: Their eyes have a transparent third eyelid that covers the eye while the animal moves through the water.