character: Dr. Mark
topic: The Science Behind Electrolytes and Hydration
grade: 9
subject: Science
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character: Professor Lucy
topic: Importance of Water for Human Health
grade: 9
subject: Science
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character: Coach Mike
topic: Electrolytes in Sports and Performance
grade: 9
subject: Science
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character: Scientist Emma
topic: How the Body Regulates Fluid Balance
grade: 9
subject: Science
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