Random Educational Fact 10: Octopuses have three hearts. Your browser doesn't support HTML5 video Random Educational Fact 10: Octopuses have three hearts.View the AMP version of this page.Explore: 6EAk1Explore: xQXKOExplore: Wk9iX6a5ro.zhengyaojizhang.comExplore: HhG4RExplore: 49VBco3ue.sebastianszypula.comExplore: tp3q7