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Why are our bodies so symmetrical, but our guts aren't?
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 of the 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
Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate 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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