1. Unit 6 The Greatest Risks to Health and Wellness

2. Chapter 20 Tobacco

3. © Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc.3 Chapter Objectives 1.Explain how tobacco products harm the body 2.Describe the structure and function of the respiratory system 3.List and explain the diseases associated with tobacco use 4.Explain why it is hard for teens who smoke to quit (continues)

4. © Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc.4 Chapter Objectives (continued) 5.List ways you can help someone quit smoking 6.Explain why there is no such thing as a safe cigarette

5. © Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc.5 Introduction Cigarette smoking is the number one preventable cause of death and illness in the United States Most smokers begin smoking during their teenage years

6. © Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc.6 Respiratory System Structure of the respiratory system Breathing (respiration) Defenses of the lungs

7. © Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc.7 Respiratory System Hyoid bone Trachea Larynx Lung Primary bronchi Secondary bronchus Tertiary bronchiBronchiole Tertiary bronchiole Alveoli (sectioned) Alveolar duct Alveoli Respiratory bronchioles

8. © Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc.8 Effects of Tobacco Smoke Tobacco smoke is harmful to –Respiratory system –Circulatory system –Appearance –Others

9. © Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc.9 Various Types of Tobacco Low-tar, low-nicotine cigarettes Bidi cigarettes Smokeless tobacco

10. © Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc.10 Quitting Smoking Smoking is a strong habit both physically and psychologically It requires courage to quit A social support network of people who encourage the quitting smoker is helpful Ideas for helping others quit

11. © Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc.11 Summary Tobacco use leads to many health problems, in addition to being expensive, unpleasant, and an enslaving addiction Even nonsmokers can suffer health problems from contact with environmental smoke Quitting smoking takes effort, but it is possible