Assertion: morphine | /r/HasProperty | chemical messenger
Facets:
value: in mammals
type: OTHER
value: in invertebrates
type: LOCATION
value: in plants
type: LOCATION
Source sentences:
text: But we have a reputable source stating that morphine is a chemical messenger in plants, invertebrates, and mammals.
text: One of these facts is that morphine is a chemical messenger in mammals.