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.openacademe.comExplore: gKg71Explore: rOqHcExplore: LC77kExplore: h8It2Explore: 0Bm4hExplore: YyurPlt0.xeber15.com