The effects of exercise on heart rate

Planning

Aim: We are going to find out what happens to the heart rate of a person when they do various exercises.

Hypothesis: I think that the heart rate will increase more dramatically when you exercise an area that contains bigger muscles than an area that contains smaller muscles. I think this because I know that muscles need oxygenated blood to use for energy to move, and so a bigger muscle needs blood more quickly during exercise which makeââ...