character: Dr. Lee
topic: Understanding Heart Rate Zones for Fitness
grade: 10
subject: Biology
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character: Professor Smith
topic: The Importance of Cardiovascular Training
grade: 10
subject: Biology
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character: Coach Johnson
topic: The Science Behind Aerobic and Anaerobic Exercises
grade: 10
subject: Biology
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character: Ms. Taylor
topic: How Exercise Affects Heart Rate and Health
grade: 10
subject: Biology
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