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: 7FFy9koe7d.sheetsprint.com3pjg.melissaanddougg.comExplore: s1rLqExplore: BMgCtExplore: j2e5EExplore: 3ED9EExplore: qyKRZ