Assertion: sloth's vertebra | /r/HasProperty | cervical
Facets:
Source sentences:
text: They have nine cervical vertebrae (the bones in the spine that support the head), as opposed to the seven that most mammals have.
text: Two-fingered sloths have five cervical vertebrae and a special adaption on their skull that lets them tilt back their heads at a 45-degree angle.
text: Three-toed sloths have nine cervical vertebrae -- four more than their relatives -- that enable them to rotate their heads 270 degrees to scan for threats.
text: The two toed sloth only has six cervical vertebrae.