Sphincters The Fascinating Truth

Sphincters they re not just for butts Hank explains the fascinating truth about these magic rings of muscle, where they appear in the human body and the pretty fantastic functions they perform in the animal kingdom. Messages from one of our subbable subscribers: Traci Adams to Gary Hughes I adore for you bringing out the nerdfighter in me. Like SciShow Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids Check out our awesome products over at DFTBA Records: Or help support us by subscribing to our page on Subbable: Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Thanks Tank Tumblr: Sources: SOURCES blowhole artificial sphincter