Heart Rate Worksheet
Explore the human heart and factors affecting heart rate with this Grade 8 Science worksheet.
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Heart Rate Exploration
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Read each question carefully and answer to the best of your ability. Some questions may require you to recall information about the human circulatory system.
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 chamber of the heart pumps oxygenated blood to the rest of the body?
Right atrium
Left atrium
Right ventricle
Left ventricle
3. Your heart rate is the number of times your heart beats per .
4. The main artery that carries blood from the heart to the rest of the body is the .
5. Describe two factors that can increase your heart rate.
6. Exercise generally decreases your resting heart rate over time.
True
False
7. Observe the diagram of the human heart below. Label the four main chambers.
A.
B.
C.
D.