character: Dr. Sarah Lee
topic: Impact of Aerobic Exercise on Heart Function
grade: 11
subject: Science
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character: Dr. John Smith
topic: Effects of Cardio Exercises on Cardiovascular Health
grade: 11
subject: Science
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character: Ms. Emily Tran
topic: How Aerobic Fitness Improves Heart Efficiency
grade: 11
subject: Science
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character: Mr. David Kim
topic: Understanding Heart Rate Responses to Physical Activity
grade: 11
subject: Science
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