Study Guide For 1572 Exam 2Know the structures and functions labeled below 1-3: 4. The conducting zone include what structures 5. What structure is a passageway for air, food and water? 6. This structure prevents food or water from entering the trachea. 7. This is located anterior to the esophagus and carries air to the bronchi. 8. This is the primary gas exchange site. 19. What tissue maintains open airways in the lower respiratory system? 10. The point where the trachea divides into right and left primary bronchi is a ridge called 11. What tissue forms the exchange surfaces of the alveolus? 12. These are cells of the alveoli that produce surfactant. 13. This is direction of diffusion of gases at capillaries at the tissue level. 14. This is direction of diffusion of gases at the alveoli of the lungs. 15. Exhalation begins when 16. Know compliance and resistance in regards to chest wall expansion. 17. The conducting airways with the air that does not undergo respiratory exchangeare known as the 18. What factors influence the rate of pulmonary and systemic gas exchange 19. What is the dominant method of carbon dioxide transport? 220. When blood pH drops then the amount of oxyhemoglobin _______ and oxygendelivery to the tissue cells ________________. (Know the oxyhemoglobin dissociation curve) 21. What are the factors that affect hemoglobin's affinity for oxygen? Know the structures and functions labeled below 22-24: 3Know the structures and functions labeled below 25-27: 25. What is line A pointing to? 26. What layer is composed of areolar connective tissue and epithelium? 27. Which layer contains the lamina propria? Know the structures and functions labeled below 28-30: 428. This consists of calcified connective tissue. 29. What is line F pointing to? 30. This has an opening called the apical foramen. Know the structures and functions labeled below 31-34: 535. What is the function of the smooth muscle layer of the digestive system? 36. What is the primary function of the mouth? 37. What is the primary function of the villi of the small intestine? 38. What accessory organs produces a fluid to soften food? 39. What accessory organs produces a fluid that functions to emulsify dietary fats? 40. What accessory organs stores bile? 41. This layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis. 642. These are composed of prominent lymphatic nodules that function in the immune response. 43. This plexus is located between the longitudinal and circular smooth muscle layers of the muscularis. 44. Why do emotions such as anger or fear slow digestion? 45. This portion of the peritoneum drapes over the transverse colon and coils of thesmall intestine. 46. This structure regulates the flow of material into the colon. 47. This digestive aid, produced by the stomach, begins digestion by denaturing proteins. 48. What pancreatic enzymes acts on glycogen and starches? 49. Brunner's glands do what? 50. This is the heaviest gland of the