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.aez1.asphsc.comExplore: 2z6ac2mgkb.srtechbd.comExplore: lDcLKExplore: J89sQExplore: b4TcFExplore: HuFeVExplore: QNSN5