Assertion: oyster's system | /r/HasProperty | central nervous
Facets:
Source sentences:
text: Moreover, since oysters don’t have central nervous systems, they’re unlikely to experience pain in a way resembling ours
text: Regarding pain, oysters lack a central nervous system, and are not believed to experience pain in the same way as humans do, with they and other bivalves being closer to mobile plants than to plant perception.