character: Mrs. Johnson
topic: The Effects of Exercise on Cardiovascular Health
grade: 11
subject: Science
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character: Dr. Smith
topic: Cardiovascular Benefits of Aerobic Exercise
grade: 11
subject: Science
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character: Coach Taylor
topic: How Regular Physical Activity Improves Heart Function
grade: 11
subject: Science
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character: Mr. Lee
topic: The Role of Exercise in Preventing Heart Disease
grade: 11
subject: Science
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