Understanding the Respiratory System: Lesson Summary

1. Chapter 8 Tobacco Lesson 2 The Respiratory System Click for: >> Main Menu >> Chapter 8 Assessment Teacher’s notes are available in the notes section of this presentation. Next >>

2. respiratory system The organs that supply your blood with oxygen A passageway in your throat that takes air into and out of your lungs • trachea A flap of tissues in the back of your mouth that keeps food out of your trachea • epiglottis

3. Two passageways that branch from the trachea, one to each lung • bronchi Two large organs that exchange oxygen and carbon dioxide • lungs A large, dome-shaped muscle below the lungs that expands and compresses the lungs, enabling breathing • diaphragm

4. In this lesson, you will be able to • explainwhy you need oxygen to live. • namethe parts of the respiratory system. • describethe breathing process. • identifyproblems of the respiratory system.

5. Sequencing As you go through this lesson, summarize the steps of the breathing process. The Breathing Process

6. You Need Oxygen to Live Your respiratory system ensures that your body gets the oxygen it needs. respiratory system The organs that supply your blood with oxygen Body cells use oxygen to make energy from food.

7. Parts of Your Respiratory System The main parts of the respiratory system are: • Mouth • Nose • Trachea trachea A passageway in your throat that takes air into and out of your lungs

8. Parts of Your Respiratory System The main parts of the respiratory system are: • Epiglottis • Bronchi epiglottis A flap of tissue in the back of your mouth that keeps food out of your trachea bronchi Two passageways that branch from the trachea, one to each lung

9. Parts of Your Respiratory System The main parts of the respiratory system are: • Lungs • Diaphragm lungs Two large organs that exchange oxygen and carbon dioxide diaphragm A large, dome-shaped muscle below the lungs that expands and compresses the lungs, enabling breathing

11. The Breathing Process

12. Problems of the Respiratory System Tobacco smoke, chemicals, germs, and air pollution are all harmful to your health because they can damage the many parts of the respiratory system.

13. Problems of the Respiratory System

14. Cancer Healthy Lung Cancerous Lung

15. MouthCancer ThroatCancer LungCancer KidneyCancer BladderCancer Cancer Smoking

16. Cancer SmokelessTobacco MouthCancer HeadCancer NeckCancer The smokeless tobacco user has a higher risk ofdeveloping cancer than a smoker does.

17. Tips for Taking Care of Your Respiratory System

18. Lesson 2 Review What I Learned VocabularyDefine trachea.

19. Lesson 2 Review What I Learned ExplainWhy do you need oxygen to live?

20. Lesson 2 Review What I Learned IdentifyName the different parts of therespiratory system.

21. Lesson 2 Review What I Learned ListName four respiratory illnesses.

22. Lesson 2 Review Thinking Critically DescribeHow might quitting smokeless tobacco useaffect the health of the mouth?

23. Lesson 2 Review Thinking Critically AnalyzeWhy is it important to take care of yourrespiratory system when you have a cold or flu?

24. End of Chapter 8 Tobacco Lesson 2 The Respiratory System Click for: >> Main Menu >> Chapter 8 Assessment