The effects of exercise on breathing and heart rate
Lesson 9 / 9
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I can plan and carry out an investigation into the effects of exercise on breathing rate or heart rate.
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Identifying independent variable (amount of exercise) and dependent variable (heart rate or breathing rate).
Identifying control variables (the person and the length of time spent exercising).
The independent variable (amount of exercise) is categoric data and goes on the x-axis of a bar chart.
The dependent variable (heart rate or breathing rate) goes on the y-axis of a bar chart.
Using knowledge of cellular respiration to explain the results.
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