Peak Flow Investigation Essay

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Recommended: Effect of exercise on pulse rate and breathing

Task 3.3 Breathing rate and peak flow investigation
Investigation: I will be measuring peak flow and breathing rate at rest and 30 seconds after exercise to see how my heart rate and breathing rate changes.

Equipment:
• Peak flow monitor
• Stop watch

Variables:
For the Independent variable I will change the rate of physical activity after 30 seconds of exercise. For the dependent variables I will measure how exercise affects peak flow. For the control variables I should be standing so that my body can maximize the air capacity, I should measure the peak flow within 30 seconds after the exercise so that I can get the best result if I leave it any longer my peak flow will start to decrease, I will do the same exercise so I am unbiased, and allow three minutes of rest between each trail so the body can restore to its nautral resting rate.

Method:
1. Firstly take your resting breathing rate by placing two fingers on an area where this is a pulse, for …show more content…

Vital capacity is the amount of gas exhaled after a maximal inspiration. Residual volume is the amount of gas remaining in the lungs after a full expiration, residual volume makes up about 20% of the overall volume. Vital capacity and residual volume, equals total lung capacity. Tidal volume is the amount of gas you inspire or expires during resting breathing rate. Inspiratory reserve volume is the amount of gas that an individual can inhale above the tidal inspiration. Expiratory reserve volume is the amount of gas an individual can exhale beyond a tidal expiration. Tidal volume + inspiration reserve volume + expiratory reserve volume = vital capacity. Functional residual capacity is the amount of gas remaining in the lungs after a tidal expiration. Inspiratory capacity is the amount of gas an individual can inhale starting at a

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