We eat blood, flesh, veins, muscles, tendons, cow's puss, hen's period, and bee's vomit

This guy may be kind of "in-your-face," but he gets his point across. And the short clips he showed during his lectures, it's not that I've never seen any of those before, but they always give me goosebumps and chill me to the bones worse than any horror movies out there. [youtube=http://www.youtube.com/watch?feature=player_embedded&v=es6U00LMmC4]