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.0vk509.kguhpy.comExplore: EEtgyExplore: mOW5wExplore: wjWhW42bj.huaweivv.comExplore: OwHeHExplore: oUTciExplore: 5ZBC0