Answers to why you have useless body parts like wisdom teeth, tailbones, and third eyelids. Like BuzzFeedVideo on Facebook: on.fb.me/18yCF0b MUSIC Living In The Past Licensed via Warner Chappell Production Music Inc. STARRING Nicole Perry - www.facebook.com/NicZyana Corey Flaspoler VIDEO Film Footage courtesy of Shutterstock, Inc. Used with Permission SOURCES Wisdom Teeth www.livescience.com/21513-vestigial-organs.html discovermagazine.com/2004/jun/useless-body-parts news.nationalgeographic.com/news/2005/02/0218_050218_human_diet.html www.smithsonianmag.com/science-nature/the-top-ten-daily-consequences-of-having-evolved-72743121/?no-ist=&page=2 science.howstuffworks.com/life/evolution/no-wisdom-teeth1.htm Human Tails discovermagazine.com/2004/jun/useless-body-parts www.spine-health.com/conditions/spine-anatomy/anatomy-coccyx-tailbone io9.com/5967742/the-science-of-human-tails www.livescience.com/21513-vestigial-organs.html Third Eyelids www.columbiatribune.com/editorial_archive/the-story-behind-your-body-s-useless-parts/article_4d8e78f4-ba71-11e3-8dbd-10604b9f6eda.html books.google.com/books?id=EXxIAAAAYAAJ&pg=PA13&lpg=PA13&dq=why+do+we+have+a+plica+semilunaris&source=bl&ots=ikO2GS-mka&sig=Qh9cJ-CG4l5fLle0EtID1y0pw_I&hl=en&sa=X&ei=hR7hU9OuOuXOigLFnICQDA&ved=0CDcQ6AEwAzgU#v=onepage&q=why%20do%20we%20have%20a%20plica%20semilunaris&f=false medical-dictionary.thefreedictionary.com/plica+semilunaris+conjunctivae -------------------------- GET MORE BUZZFEED: www.buzzfeed.com www.buzzfeed.com/video www.youtube.com/buzzfeed www.youtube.com/buzzfeedvideo www.youtube.com/buzzfeedyellow www.youtube.com/buzzfeedpop www.youtube.com/buzzfeedblue www.youtube.com/cnnbuzzfeed BUZZFEED BLUE Tasty short, fun, inspiring, funny, interesting videos from BuzzFeed. From incredible science facts to amazing how-to's and DIYs, BuzzFeed Blue will entertain, educate, spark conversation about all the little things that matter in life. Bite-size knowledge for a big world. Just like BuzzFeedVideo, but more blue.

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