character: Coach Johnson
topic: Exercise Routines for Cardiovascular Health
grade: 11
subject: Science
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character: Dr. Smith
topic: The Importance of Aerobic Exercise in Heart Health
grade: 11
subject: Science
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character: Ms. Parker
topic: Benefits of High-Intensity Interval Training for Cardiovascular Endurance
grade: 11
subject: Science
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character: Professor Lee
topic: How Regular Physical Activity Improves Heart Function
grade: 11
subject: Science
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