character: Dr. Emily
topic: The Science of Heart Rate Recovery
grade: 9
subject: Science
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character: Dr. Smith
topic: Physiology of the Cardiovascular System
grade: 9
subject: Science
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character: Coach Johnson
topic: Importance of Cardiovascular Fitness
grade: 9
subject: Science
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character: Nurse Lisa
topic: Monitoring Heart Rate During Exercise
grade: 9
subject: Science
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