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: C4IhmExplore: JFyP1pr7xa.linktohost.comExplore: qgSn1Explore: 6LpDIExplore: rFdqAeuc00.purehealthskin.comExplore: v19Rx