What Are Eyeballs Made Of?

Go to https://www.Squarespace.com/SciShow for a free trial and use the offer code SCISHOW to support this channel and save 10% off your first purchase of a website or domain. Eyeballs are unique organs, providing many animals with the ability to interpret the light waves in the world around them, but what are these squishy parts made of? Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- 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://books.google.com/books?id=UPUCDAAAQBAJ&lpg=PA119&dq=vitreous%20fluid%20center%20gel%20edges&pg=PA119#v=onepage&q&f=false https://thesis.library.caltech.edu/974/3/CSN_CH3.pdf https://www.sciencedirect.com/topics/veterinary-science-and-veterinary-medicine/vitreous-humour https://www.jci.org/articles/view/10706/pdf https://nei.nih.gov/health/floaters/floaters https://www.healthline.com/human-body-maps/eye-vitreous-and-aqueous-humor#seoBlock http://www.aclm.org.uk/index.php?url=04_FAQs/default.php&Q=3 https://www.healthline.com/human-body-maps/cornea Images: https://commons.wikimedia.org/wiki/File:Eye-diagram_bg.svg https://commons.wikimedia.org/wiki/File:FundusPhotoAntha.jpg http://www.thinkstockphotos.com/image/stock-photo-red-blood-cells/119246222/popup?sq=blood%20cell/f=CPIHVX/s=DynamicRank