Download Vestigial Structures
Vestigial Structures
Vestigial Structures
Hank talks about some of the structures in our bodies that are "leftover" from previous evolutionary phases of humanity.

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Hank talks about some of the structures in our bodies that are "leftover" from previous evolutionary phases of humanity.

Like SciShow on Facebook: http://www.facebook.com/scishow
Follow SciShow on Twitter: http://www.twitter.com/scishow

Sources:
http://www.newscientist.com/article/mg19826562.100-vestigial-organs-remnants-of-evolution.html
Coccyx: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1571308/figure/fig05/
http://www.livescience.com/11317-top-10-useless-limbs-vestigial-organs.html
http://en.wikipedia.org/wiki/Vestigial
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