character: Dr. Jane Smith
topic: Impact of Physical Activity on Heart Function
grade: 10
subject: Biology
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character: Dr. Andrew Johnson
topic: Effects of Exercise on Cardiovascular Health
grade: 10
subject: Biology
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character: Ms. Emily Chen
topic: How Regular Activity Boosts Heart Performance
grade: 10
subject: Biology
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character: Prof. Mark Thompson
topic: Physical Fitness and Its Role in Heart Disease Prevention
grade: 10
subject: Biology
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