Assertion: manatee | /r/HasAspect | only six neck vertebrae
Facets:
Source sentences:
text: Manatees have only six neck vertebrae.
text: Manatees have six neck vertebrae instead of the seven typical of mammals.
text: Manatees are not able to move their heads sideways because they have only 6 neck vertebrae.
text: Speaking of bones, manatees have only six neck vertebrae, while most other mammals (including humans and giraffes) have seven (the tree sloth is the only other exception).
text: Manatees and dugongs also have other traits that are unusual, such as only six neck vertebrae.