character: Professor Green
topic: Cardiovascular System Adaptations to Regular Exercise
grade: 10
subject: Biology
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character: Dr. Smith
topic: Effects of Aerobic Exercise on Heart Health
grade: 10
subject: Biology
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character: Ms. Johnson
topic: Understanding Blood Flow During Physical Activity
grade: 10
subject: Biology
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character: Coach Taylor
topic: Training Techniques for Improving Cardiovascular Endurance
grade: 10
subject: Biology
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