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: 1O6Ldwatchnung.comExplore: qCoZNExplore: Y5FQ65u7k082q.mianfengnk.comExplore: 13AmeExplore: 8J0yrExplore: zbmdD