character: Doctor Lisa
topic: How Exercise Affects Cardiovascular Health
grade: 9
subject: Science
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character: Doctor Lisa
topic: Benefits of Aerobic Exercise on Heart Function
grade: 9
subject: Science
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character: Doctor Lisa
topic: Impact of Sedentary Lifestyle on Heart Disease
grade: 9
subject: Science
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character: Doctor Lisa
topic: Heart Rate and Exercise: Understanding the Connection
grade: 9
subject: Science
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