@Philip_Britton Tweet 10/11/2014 05:16 PM Tweet 10/11/2014 05:16 PM Posted by Bolton School on 10 Nov 2014 Modified by Bolton School on 16 Sep 2023 @Philip_Britton RT @RSCBoltonSchool: Great period 6 lesson with 9.4. Investigating the effect of exercise on heart rate! Keep going!