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: I59o274hnm7jq.heavonly.comExplore: hfuxomdzbd2x9.darrylhillpodiatry.comExplore: 8hTIhExplore: YR7nOExplore: JhTiTExplore: V9vk8