Yo Kadak, pass the money this way! SUBSCRIBE: http://tmz.me/wONe5NO About TMZ: TMZ has consistently been credited for breaking the biggest stories dominating the entertainment news landscape and changed the way the public gets their news. [More]
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse on Facebook: http://www.facebook.com/YouTubeCrashCourse Follow CrashCourse on [More]