Here’s a great short clip on the parts of our bodies that once served important roles, but now exist only in vestigial forms. As the film says, we are our own museums of natural history. Fascinating:
http://www.openculture.com/2016/03/proof-of-evolution-in-our-own-spare-body-parts.html
texthistory 
Have you read “Your inner fish”? As well as having one of the world’s dottiest book titles, it’s a wonderfully easy to read book about evolution, and the odd bits of our bodies that were originally designed for different purposes. Fascinating.
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We covered a lot of it in med school but a lot of it out of date
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