what are three harmful substances found in tobacco smoke Cigarettes contain thousands of chemicals—over 7,000 have been identified—many of which toxic, and at least 70 are known to cause cancer. 🚭 When a cigarette burns, these chemicals are inhaled deep Chapter 10 Respiration Lesson 3
Chapter 10 Respiration Lesson 3 Effects of tobacco smoke on human health PPT Fact versus fiction World Health Organization report on tobacco PMI Philip Morris International Why is smoking bad for you? What products contribute to thirdhand chemical residue? Thirdhand Smoke Resource Center
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