9.1.5 Investigating Effect of Physical Activity on Heart Rate
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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