character: Johnson
topic: Benefits of Cardiovascular Exercise on Lung Capacity
grade: 9
subject: Physical Education
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character: Smith
topic: Cardiovascular Health in Teenagers
grade: 9
subject: Physical Education
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character: Williams
topic: Understanding Respiratory Efficiency
grade: 9
subject: Physical Education
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character: Roberts
topic: Exercises to Improve Lung Capacity
grade: 9
subject: Physical Education
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