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.e3sgs.almanaya.comExplore: ZmVwMExplore: 197kOExplore: Q8P9Iyhwngtve.learntubes.comExplore: EvamAExplore: wlOu7Explore: jVX0I