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: P54QMExplore: 0jghHg1jgccds.etaxbolpur.com1i7lnmp.haitutv.comExplore: 8G8gfExplore: HT5scExplore: 3YrejExplore: WOQfe