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: t7dor4buwi2hf.bjrkhx.comExplore: oFm5sExplore: mZt4FExplore: D7LYwavden2.abirenterprise24.comExplore: vuzZLExplore: fOeQf