Hypothesis

For this experiment, all rates will most likely increase as the physical activity level increases, especially for the respiration and pulse, since the heart has to pump blood much faster and that breathing is increased when physically active. Expected, is a big change in the rates between activity one, which is complete rest, and activity three, which is heavy physical activity because it is two completely different stages that the body must pass through in a period of only twenty minutes. The body must produce more energy in order to keep going while doing intense physical activity and therefore increases mostly all the metabolic rates.