Assertion: starfish | /r/HasAspect | a hydro vascular system
Facets:
value: into a ring
type: LOCATION
value: down a tube
type: LOCATION
Source sentences:
text: Starfish don’t have a heart per say, they have a hydro vascular system, where water is sucked in through an organ called the madreporite, down a tube called the stone canal and into a ring known as the ring canal.