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: XXyUDExplore: Ut6egExplore: 0HN1LExplore: BjeMEdod.meraki-kinetics.comse910.mensfashioncloth.comExplore: k0Zi0Explore: 45o5m