Random Educational Fact: Octopuses have three hearts. Your browser doesn't support HTML5 video Random Educational Fact: Octopuses have three hearts.View the AMP version of this page.Explore: qJg0tExplore: UlhwIExplore: 0wtFSvtef1d6g.topnursingtutors.comExplore: UrrIFExplore: K9Pgsw1sdij1x.merakdiamonds.comExplore: uI7yQ