INFO:

You probably know what most of your body parts are used for—but what about earwax? Your appendix? Or hair on your butt? If you're curious about the function of some of these weird body parts, join Hank for this fun new episode of SciShow, and learn why you have a butt in the first place! Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, KatieMarie Magnone, Eric Jensen, Adam Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Drew Hart, Sam Lutfi, Alisa Sherbow, Jason A Saslow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Original Episodes: Why Do We Have Earwax? - https://www.youtube.com/watch?v=yyYCw-_Y-Q0 Why Do We Have Baby Teeth? - https://www.youtube.com/watch?v=4wFlmOMFOaU Why Do We Have Such Crooked Teeth - https://www.youtube.com/watch?v=FWds-tGnHlI Your Appendix Isn’t Useless After All - https://youtu.be/J03A8BQCQC4 Why do we have Butts - https://youtu.be/1aVEbGjYgfA Why Do We Have Butt Hair - https://www.youtube.com/watch?v=BgsdhmLrLPA Vestigial Structures - https://youtu.be/OAfw3akpRe8