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John measures his pulse rate before he exercises. It is 70 beats per minute. He exercises for one minute and measures his pulse rate again. He then measures it every minute for several minutes. He draws a graph to show his results. What can be concluded from his results?

John Measures His Pulse Rate Before He Exercises It Is 70 Beats Per Minute He Exercises For One Minute And Measures His Pulse Rate Again He Then Measures It Eve class=

Sagot :

Joshua can calculate his maximum heart rate by subtracting his age from 220. For example, if his 45 years old, subtract 45 from 220 to get a maximum heart rate of 175. This is the average maximum number of times his heart should beat per minute during exercise.