Or, how about just shut up and watch the movie.
Mythbusters already busted that middle one. I'd like to see them test the ripping out a man's heart one, though I'm not sure PETA will appreciate them testing on live animals.
PETA would, however, be totally fine with that experiment being performed on a human.
The most difficult thing in the world is to know how to do a thing and to watch someone else doing it wrong, without commenting. -- T.H. White