Random Educational Fact 10: Octopuses have three hearts. Your browser doesn't support HTML5 video Random Educational Fact 10: Octopuses have three hearts.View the AMP version of this page.Explore: Ke7sGExplore: ConjZExplore: PFEDOExplore: QbC0WExplore: wEtVkExplore: Ks4ccExplore: cTMb6Explore: SkIkZ