How Your Body Knows Left From Right

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Why are our bodies so symmetrical, but our guts aren't?↓ More info and sources below ↓

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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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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

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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


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