Why Do Spiders Curl Up When They Die?

When spiders die, their tiny legs curl up tight against their body, because spiders don’t use muscles to extend their legs. Instead, they have hydraulic legs! Hosted by: Michael Aranda 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: Marwan Hassoun, Jb Taishoff, Bd_Tmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, charles george, Alex Hackman, Chris Peters, Kevin Bealer ---------- 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 ---------- Sources: https://asknature.org/strategy/leg-uses-hydraulics-and-muscle-flex/ https://www.mdpi.com/2218-6581/5/3/15/htm https://www.sciencedirect.com/science/article/pii/B9780323034104500262 (excerpted at https://www.sciencedirect.com/topics/medicine-and-dentistry/rigor-mortis) https://www.britannica.com/science/muscle/Actin-myosin-interaction-and-its-regulation Images: https://www.youtube.com/watch?v=29_kno2aoGo