Complex sentence: The shapes of polar hare bones are also unique, and as a result, the ulnas were commonly used as awls and barbs.Reindeer antlers, ulnas, ribs, tibias, and teeth were utilized in addition to a rare documented case of a phalanx.
Split into simpler sentences: The shapes of polar hare bones are also unique, and as a result, the ulnas were commonly used as awls and barbs. FReindeer antlers, ulnas, ribs, tibias, and teeth were utilized in addition to a rare documented case of a phalanx.