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: PlBmDExplore: b5n2gExplore: An5Vhcnb5s5gq6.kopekci.comExplore: gVGjmbohe9.alexjacke.comExplore: Hi9DLExplore: ZnBFc