Quiz Yourself: Question 1
Lesson 4:

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Quiz Yourself

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Use Figure 4 to answer the following question. Select the best answer by checking the appropriate box.

1. How does low intensity exercise affect heart rate?

Heart rate declines in response to exercise.
Heart rate increases during the first ten minutes, then declines.
There is a statistical increase in heart rate.
Heart rate tends to increase, but this is not a significant effect.