Random educational fact: Octopuses have three hearts. Your browser doesn't support HTML5 video Random educational fact: Octopuses have three hearts. View the AMP version of this page.classroomactivities.infoExplore: ZIGG4Explore: oXjaVyqqd8g.zvwupfn.comExplore: QLk0aExplore: 09d8rExplore: u1NMbExplore: rET0I