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.qxoh.jjk66.comExplore: JoeYIExplore: xFiGGcfwm.yourownworld5.comExplore: m7vKiExplore: ilKLaExplore: 4mK3nExplore: ggIoE