Watch - Health Science Turns Sexy

Thanks to senior anatomy lecturer Dr. Claudia Diaz at RMIT University in Melbourne, Australia, we get to see hot 22-year-old footballer and chiropractic student Zac O'Brien strip down to his tiny whities. Zac had his entire body painted over for 18 hours straight to show students the muscles, tendons, and bones that would be visible if Zac were stripped of his skin.

Who knew learning anatomy could be so much fun? Check out more photos and a video of 'anatomical man' after the jump.