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.60gdr2p.avalights.comExplore: 2UAnIExplore: WmJrKExplore: 5AmGtExplore: 6Uv2UExplore: Et1XBy7kxf.choice-express.comExplore: Bn5jS