Assertion: octopus's blood | /r/MadeOf | hemocyanin
Facets:
value: like all cephalopods
type: OTHER
Source sentences:
text: The blood contains hemocyanin which contains copper and binds oxygen to keep the octopus alive.
text: Like all cephalopods, the blood of the nautilus contains hemocyanin, which is blue in its oxygenated state.