Understanding Heart Rate
A Grade 10 science worksheet exploring the human heart rate, factors affecting it, and its measurement.
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Understanding Heart Rate
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which part of the heart is responsible for pumping oxygenated blood to the rest of the body?
Right Atrium
Left Ventricle
Pulmonary Artery
Right Ventricle
2. What is the average resting heart rate for a healthy adult?
40-60 bpm
60-100 bpm
100-120 bpm
120-140 bpm
3. The measurement of the number of heartbeats per minute is called the .
4. During exercise, the heart rate to supply more oxygen to the muscles.
5. Describe two factors that can influence an individual's heart rate.
6. Explain the difference between resting heart rate and maximum heart rate.
7. A higher fitness level generally results in a higher resting heart rate.
True
False
8. The heart rate is solely controlled by voluntary actions.
True
False
Use the diagram of the human heart below to answer the following question.
9. Identify and label the four chambers of the heart in the diagram above. Briefly describe the function of each chamber in relation to blood flow and heart rate regulation.