Loading...

Sphincters - The Fascinating Truth

517,363 views

Loading...

Loading...

Transcript

The interactive transcript could not be loaded.

Loading...

Loading...

Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Dec 10, 2013

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/cu... - blowhole
http://www.nlm.nih.gov/medlineplus/en... - artificial sphincter
http://www.wisegeek.org/what-is-a-sph...
http://phenomena.nationalgeographic.c...
http://health.nytimes.com/health/guid...
https://www.savethekoala.com/about-ko...
http://europepmc.org/articles/PMC1262...

Loading...

Advertisement
When autoplay is enabled, a suggested video will automatically play next.

Up next


to add this to Watch Later

Add to

Loading playlists...