Heart Rate and Cardiovascular Health
Explore the factors influencing heart rate and its importance in cardiovascular health for Grade 9 science students.
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Heart Rate and Cardiovascular Health
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Date:
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. What is the average resting heart rate for a healthy adult?
40-60 beats per minute
60-100 beats per minute
100-120 beats per minute
120-140 beats per minute
2. Which of the following factors would most likely decrease a person's resting heart rate?
Strenuous exercise
Stress or anxiety
Regular cardiovascular fitness training
High caffeine intake
3. The heart rate is measured in .
4. A consistently high resting heart rate can be an indicator of poor health.
5. Explain how exercise affects a person's heart rate. What happens to your heart rate during exercise and why?
6. Describe two different methods you can use to measure your heart rate.
7. A lower resting heart rate generally indicates better cardiovascular fitness.
True
False
8. The maximum heart rate decreases with age.
True
False
9. Examine the diagram of the human heart below. Label the four chambers of the heart.
A.
B.
C.
D.