Investigating Effect of Physical Activity on Heart Rate (Cambridge (CIE) IGCSE Co-ordinated Sciences (Double Award)): Revision Note
Exam code: 0654 & 0973
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Investigating Effect of Physical Activity on Heart Rate
It is relatively simple to investigate the effects of exercise on the body in the classroom
Breathing rate can be measured by counting the number of breaths per minute, while heart rate can be measured by taking a pulse
Either can be measured before and after an activity is performed and the results plotted on a bar chart
It is important that the time over which breathing rate and pulse rate are measured is consistent, and that individuals fully recover (rest) before starting a new activity
Increased physical activity results in an increased heart rate and breathing rate
Heart rate remains high for a period of time after physical has stopped, there is a gradual return to resting heart rate
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