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: rHI3LExplore: lQKIeExplore: kE6xOExplore: WtcctExplore: FNkVuExplore: TVLEiExplore: xVVbxExplore: kLMC5