SVHS ADVANCED BIOLOGY (2011 – 2012) NAME: _____________________ PERIOD: 1 2 3 4 5 6 DIRECTED READING 18.1 – HOW WE INHALE AND EXHALE AFTER READING PAGE 482 “DID YOU KNOW?”; 1. List 6 reasons why smoking is the single most preventable cause of death and reduction in long term health. a. d. b. e. c. f. 2. List at least 6 different functions of the respiratory system besides carrying oxygen. a. d. b. e. c. f. AFTER READING PAGE 483-486 3. Moving air into and out of the lungs is referred to as ____________________. 4. Oxygen moving into the blood and carbon dioxide moving out of the blood in the lungs is referred to as _________________________. 5. Contrast (explain the difference) between the “conducting zone” and “respiratory zone”. 6. List the structures of the conducting zone that transports air to the lungs starting with the external nares and ending in the terminal bronchioles. __________________ __________________ __________________ __________________ __________________ __________________ 7. What three ways must air be treated before it reaches the lungs? Explain how each is accomplished. Treated How it is done a. b. c. 8. Using the microscopes, observe the ciliated epithelium that lines the trachea. Label the following structures; epithelial cells, cilia, hyaline cartilage. 9. Explain the effect of cigarette smoke on the cilia. Ciliated Epithelium of Trachea (400x) 10. Are all of the structures shown to the bottom part of the conducting or respiratory zone? _______________. 11. Give the name of the structure pointed to by the following numbers. #6 _____________ #5 _____________ #10 _____________ #11 _____________ #10 _____________ #8 _____________ 12. Draw an arrow to the location of the epiglottis.