03:15Scottish Schools 1st LevelNina and the Neurons: Noisy BodiesHeartSchool Radio Duration: 15 minutes Fri 18th Jan 2013, 03:15 on School RadioAvailable for over a yearListen nowNina and her helpers investigate why everyone has a heart, and why it beats.GenresLearningPrimaryBrandScottish Schools 1st LevelSeriesScottish Schools 1st Level: Nina and the Neurons: Noisy Bodies Source: BBC Online