1. Study Guide Review

3. Part 2. Short Answer 1. Where are O2 and CO2 exchanged in the lungs? 1. Where are O2 and CO2 exchanged in the lungs? 2. What passes through the pharynx? 2. What passes through the pharynx? 3. The breathing process is controlled by what muscle? 3. The breathing process is controlled by what muscle? 4. Which respiratory disease can be caused by smoking? 4. Which respiratory disease can be caused by smoking? 5. How many alveoli are in both lungs? 5. How many alveoli are in both lungs? 6. What keeps dirt and mucous out of the lungs? 6. What keeps dirt and mucous out of the lungs? Alveoli Air, O2 Diaphragm Emphysema 600 million Cilia

4. Part 3. Fill in the blank 7. The ________ is the protective layer around the lungs. 7. The ________ is the protective layer around the lungs. 8. ________ is the waste product you breathe out. 8. ________ is the waste product you breathe out. 9. When you exhale your diaphragm ________ and _________. 9. When you exhale your diaphragm ________ and _________. 10. To breathe out means to ________. 10. To breathe out means to ________. 11. O2 passes into your blood through the _______. 11. O2 passes into your blood through the _______. 12. When you inhale your diaphragm _______ and _________. 12. When you inhale your diaphragm _______ and _________. CO2 exhale alveoli pleura relaxes Moves up contracts Flattens out

5. Part 4. Inhale: a. Inhale b. Nose traps germs and air c. Air moves down the trachea d. Air moves through the bronchi into bronchioles e. Alveoli receives O2 to pass to the blood f. Oxygen passes into the blood g. Oxygen rich blood flows to the heart h. Heart pumps O2 rich blood to the body

6. Exhale: Exhale: a. Blood picks up CO2 from the body b. Heart pumps CO2 rich blood to the lungs c. Alveoli receives CO2 from the blood d. CO2 moves from bronchioles to bronchi e. CO2 flows up trachea f. CO2 flows out the nose and mouth g. Exhale

7. 13. Excess mucous in the body. 13. Excess mucous in the body. 14. Spasms can cause wheezing. 14. Spasms can cause wheezing. 15. Inflammation of mucous membrane lining the bronchial tubes. 15. Inflammation of mucous membrane lining the bronchial tubes. 16. Hereditary Disease. 16. Hereditary Disease. 17. Can be prevented by not smoking. 17. Can be prevented by not smoking. 18. Can be triggered by airborne substances, food, bacteria and viruses. 18. Can be triggered by airborne substances, food, bacteria and viruses. 19. Inflammation of the air sacs in the lungs. 19. Inflammation of the air sacs in the lungs. 20. Lungs become unable to fully deflate during exhaling. 20. Lungs become unable to fully deflate during exhaling. Cystic Fibrosis Asthma Bronchitis Cystic Fibrosis Emphysema Asthma Pneumonia Emphysema