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: mPD7uwebhentaivn.comExplore: 7HwKazkybn.bangalhaliatsc.comExplore: BkWXfExplore: wDTe6Explore: 3Rd3yExplore: LwZUV