Assertion: angel shark | /r/HasAspect | spiracle
Facets:
value: on the top of the head
type: LOCATION
value: behind the eyes
type: LOCATION
Source sentences:
text: Behind the eyes, angel sharks have a spiracle which is an unusual type of respiratory device that delivers oxygen straight to the brain.
text: Since angel shark spends great amount of time hidden in the sand (lying motionless), it has spiracles on the top of the head which pump the water through the gills.