Assertion: chimpanzee's skin | /r/HasProperty | thick
Facets:
Source sentences:
text: The middle and end phalanges (finger bones), which bear the animal’s weight, are widened and flattened for extra strength; in the forearm, the end of the radius that sits nearest the hand is both cupped and downward-facing, allowing it to fit snugly beside the scaphoid in the wrist; the metacarpals (knuckle bones) have ridges that ‘lock’ into place with the phalanges; and the skin on the fingers is thick as well as heavily padded.