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Investigation Into The Effect Of Exercise On Pulse Rate
Member rating: No Rating | Words: | Submitted: Wed Sep 29 2004
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Investigation Into The Effect Of Exercise On Pulse Rate Aim Investigate the change in pulse rate after different durations of exercise. Fair Testing (variables) Independent variable: Duration of exercise Dependent variable: Change in pulse rate Controlled variables: -Type of exercise -Fitness of subject -Sex of subject -Mass of subject -Rate of exercise Predictions And Theory I think has the duration of exercise (independent variable) increases, the pulse rate (dependent variable) of the subject will increase considerably from the resting pulse rate. I think this because the body will need to deliver oxygen and glucose contained in the oxygenated blood more quickly. Apparatus * Stopwatch * Bench Method (Main Test) * Draw out a table to put your results in, it should have duration of exercise going down vertically and the measurement number and average going across the top horizontally, like this one: Pulse Rate (bpm) Duration (minutes) 1 2 3 Average 0 1 2 3 4 * Take resting pulse rate. * Start stop watch and step up and step down onto the bench for 1 minute. Count...
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