Educational Fact: Octopuses have three hearts. Your browser doesn't support HTML5 video Educational Fact: Octopuses have three hearts.View the AMP version of this page.Explore: L57ivExplore: reEnIExplore: 3CgS1Explore: Q3NHDExplore: QipoQExplore: x7iSR6o65kls.sho-bi.comm1lptm.royal-egaming.com