character: Fitness Guru
topic: Effects of Lactic Acid on Exercise Performance
grade: 9
subject: Science
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character: Coach Dan
topic: Understanding Muscle Fatigue During Exercise
grade: 9
subject: Science
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character: Dr. Emily
topic: The Role of Metabolism in Physical Endurance
grade: 9
subject: Science
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character: Trainer Max
topic: How to Improve Anaerobic Performance in Athletes
grade: 9
subject: Science
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