Assertion: vertebrate's organ | /r/CapableOf | enable the octopus
Facets:
value: to breathe underwater
type: PURPOSE
Source sentences:
text: All vertebrate animals have one heart, but the octopus is equipped with three: one that pumps blood through the cephalopod's body (including the arms), and two that pump blood through the gills, the organs that enable the octopus to breathe underwater by harvesting oxygen.