Assertion: hedgehog's muscle | /r/CapableOf | run along their back
Facets:
Source sentences:
text: If provoked, hedgehogs usually roll up by contracting the muscles that run along their back and in doing so raise their spines and curl their body and enclosing themselves in a protective ball of spines.
text: If provoked, hedgehogs usually roll up by contracting the muscles that run along their back and in doing so raise their spines and curl their body and enclosing themselves in a protective ball of spines.