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How Your Body Knows Left From Right

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 Biology   |   Psychology   |   Science
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Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk
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Why are our bodies so symmetrical, but our guts aren't?↓ More info and sources below ↓

Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub
Follow on Twitter: http://twitter.com/jtotheizzoe
Follow on Tumblr: http://www.itsokaytobesmart.com

This is part 3 of 3 in my series about how our bodies evolved to look like they do. Check out the others:
Part 1 - Why your brain is in your head https://www.youtube.com/watch?v=qdNE4WygyAk
Part 2 - Consider the upside-down lobster https://www.youtube.com/watch?v=QYbJqYVtRyA

More info:

Left-Right asymmetry in embryonic development: http://www.ncbi.nlm.nih.gov/pubmed/15582774

Development ofthe asymmetric human: http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=331635&fileId=S1062798705000682

Role of cilia and fluid flow: http://www.ncbi.nlm.nih.gov/pubmed/24091059

Situs inversus: http://en.wikipedia.org/wiki/Situs_inversus
http://www.nytimes.com/2013/06/04/science/growing-left-growing-right-how-a-body-breaks-symmetry.html

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Have an idea for an episode or an amazing science question you want answered? Leave a comment below!

Follow me on Twitter: @jtotheizzoe
Email me: itsokaytobesmart AT gmail DOT com
Facebook: http://www.facebook.com/itsokaytobesmart
Google+ https://plus.google.com/+itsokaytobesmart
For more awesome science, check out: http://www.itsokaytobesmart.com

Joe Hanson - Host and writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen Inc.
Kate Eads - Associate Producer
Katie Graham - Director of Photography
Post Producer - Stephanie Noone
Editing/Motion Graphics - Arts+Labor, Austin, TX
John Knudsen - Gaffer


Music:
"Ouroboros" by Kevin MacLeod

Stock images via Shutterstock

Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios

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Last week's video: Why Did We Blow on NES Games? https://www.youtube.com/watch?v=4Gf9mtXnJfM


More videos:
The Science of BBQ https://www.youtube.com/watch?v=ccqOVmsybO4
The Science of Game of Thrones - https://www.youtube.com/watch?v=Utu-LpJn3Is
The Far Future of the Universe - https://www.youtube.com/watch?v=Jl9DwNOonOA
There Was No First Human - https://www.youtube.com/watch?v=xdWLhXi24Mo
How The Elements Got Their Names - https://www.youtube.com/watch?v=mtg9p6A6xnY

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