Sphincters - The Fascinating Truth

From the creator

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: http://dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: SOURCES http://www.vetmed.vt.edu/education/curriculum/vm8304/lab_companion/histo-path/vm8054/labs/Lab25/NOTES/WHALNOSE.HTM - blowhole http://www.nlm.nih.gov/medlineplus/ency/article/003983.htm - artificial sphincter http://www.wisegeek.org/what-is-a-sphincter.htm http://phenomena.nationalgeographic.com/2013/11/06/cyborg-bladders-stop-incontinence-in-rats-after-spine-damage/ http://health.nytimes.com/health/guides/symptoms/urinary-incontinence/print.html https://www.savethekoala.com/about-koalas/physical-characteristics-koala http://europepmc.org/articles/PMC1262097/pdf/j

Published 2013-12-11 · Watch on YouTube ↗
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