Skills › Body & Health⚽ 6th to 8th · Moving & GamesMuscles in pairsHow do your muscles move your bones? Muscles work in pairs. Below are 2 pages on Peabody that teach it, free, with no sign-up and no ads.Read, play and makeLearn: Muscles in PairsLearnExplore: how muscles workLearnMore in Moving & GamesYour heart rate6th to 8thTrain smart6th to 8thSport by the numbers6th to 8thMove like an animalPre-KStop and goPre-KBalance on one footPre-K