Assertion: mollusk's blood | /r/CapableOf | arrive at the heart
Facets:
value: through four ventricles
type: MANNER
Source sentences:
text: There are two pairs of gills which are the only remnants of the ancestral metamerism to be visible in extant cephalopods.:56 Oxygenated blood arrives at the heart through four ventricles and flows out to the animal's organs through distinct aortas but returns through veins which are too small and varied to be specifically described.