Assertion: lobster | /r/HasAspect | primitive nervous system
Facets:
value: compared to humans
type: OTHER
value: very
type: DEGREE
value: to pain
type: PURPOSE
Source sentences:
text: They can regenerate claws, legs, and antennae as they have a primitive nervous system and differential sensitivity to pain.
text: The fact that lobsters are capable of limb loss and regeneration shows they have a very primitive nervous system and a different sensitivity to pain compared to humans or other types of animals.