character: Mr. Davis
topic: Physiological Changes in Tobacco Smokers
grade: 10
subject: Biology
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character: Dr. Smith
topic: Impact of Smoking on Respiratory Health
grade: 10
subject: Biology
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character: Ms. Johnson
topic: The Effects of Nicotine on the Nervous System
grade: 10
subject: Biology
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character: Mr. Brown
topic: Long-term Health Consequences of Cigarette Smoking
grade: 10
subject: Biology
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