character: Mark Johnson
topic: The Role of Sodium and Potassium in Muscle Activity
grade: 10
subject: Physical Education
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character: Dr. Emily Carter
topic: Electrolytes and Muscle Function
grade: 10
subject: Physical Education
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character: Coach Robert Lee
topic: Nutrition for Athletic Performance
grade: 10
subject: Physical Education
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character: Professor Sarah Thompson
topic: The Importance of Minerals in Exercise
grade: 10
subject: Physical Education
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