sentence: Cephalopods are the most intelligent invertebrates and have good senses and large brains.
sentences_after: The nervous system of cephalopods is the most complex of the invertebrates, and their brain to body mass ratio falls between that of warm and cold blooded vertebrates. The brains and lives of cephalopods'. Oxford University Press.
concept_name: cephalopod
headings: Cephalopod Nervous system and behaviour