When first discovered behind the wall, the mouth of the mummy is shown closed, almost clenched; but when laid out for display in the lab, the mouth is very much open and rounded.
When first discovered in the wall, the mummy's mouth is shown to be open and rounded in the background, but when shown close up, the mouth is closed, as if clenched. Later when displayed in the lab, the mummy's mouth is again shown wide open.
When interrogating Rulz, Bones states that he shattered his lower radius and pisiform bones when he was shot. However, the pisiform is on the pinky side of the wrist, not the thumb side. The bones that would have been damaged would either be the scaphoid or the trapezium.
At 2:01 when one of the club-goers says to Brennan "are you calling me an animal, fool?", based on her mouth she is obviously using a more derogatory word which appears to have been dubbed over in post.