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How Exercise Affects the Body.
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Biology Coursework How Exercise Affects the Body Heart rate is the number of heart beats per minute. You can measure it at pulse points on the carotid (neck) and radical (wrist) arteries. Press slightly on the pulse points count the beats for 15 seconds and then multiply it by 4 (15 x 4= 1 minute). Pulse rate is the pumping action of the ventricles of the heart, it is so strong that it can be felt as pulse in the arteries, far away from the heart so therefore pulse is the pressure wave that can be felt corresponding to the heart beat. Resting pulse in an adult is 60 to 80 beats per minute. Here are my results for this investigation. It contains results from two students: Student A- weight 55 kg Time (minutes) No. of Steps per minute First Results beats per minute Second results beats per minute Average Difference between the average b.p.m/ time 0 0 74 78 76 0 1 10 92 90 91 15 2 15 96 98 97 6 3 20 100 102 101 5 4 25 105 108 106.5 5 5 30 125 124 124.5 18 6 35 145 140 142.5 18 7 40 156 151 153.5 11 8 45 165 162 163.5 11 9 50 - 168 168 5 Student B- Weight 62...
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