character: Michael Lee
topic: The Physiological Changes in Circulation During Physical Activity
grade: 11
subject: Science
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character: John Smith
topic: Cardiovascular Adaptations to Exercise
grade: 11
subject: Science
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character: Sarah Johnson
topic: The Role of Hemoglobin in Oxygen Transport During Exercise
grade: 11
subject: Science
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character: Emily Davis
topic: Impact of Aerobic Exercise on Heart Rate and Blood Pressure
grade: 11
subject: Science
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