youtor.org
Vestigial Structures
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=OAfw3akpRe8
Hank talks about some of the structures in our bodies that are leftover from previous evolutionary phases of humanity. • Like SciShow on Facebook: / scishow • Follow SciShow on Twitter: / scishow • Sources: • http://www.newscientist.com/article/m... • Coccyx: http://www.ncbi.nlm.nih.gov/pmc/artic... • http://www.livescience.com/11317-top-... • http://en.wikipedia.org/wiki/Vestigial
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