Respiratory system

3. the natural opening through which food passes into the body of an animal
4. Very thin tubes that lead to alveolar sacs
6. Septum Composed of bone and cartilage, divides the nasal cavity into right and left parts
8. Includes the larynx, trachea, bronchial tree, and lungs
10. Inflammation of bronchi
13. Includes the nose, nasal cavity, paranasal sinuses, and pharynx
15. A hollow space behind the nose
17. inflammation of membranes of the lungs
21. with oxygen
22. Respiration The process of oxygen utilization and carbon dioxide production at the cellular level
23. Supported internally by bone and cartilage, has two nostrils
27. Walls of alveoli deteriorate and lose their elasticity
28. moving of air
29. Inflammation of mucous membrane
30. Thinwalled outpouchings that lead to alveoli

1. Microscopic air sacs clustered at the distal ends
2. inferiorly and the root of the neck superiorly
5. A collapses lung
7. bronchospasms narrow the openings of the bronchioles
9. Composed of muscle tissue and connective tissue with a covering of mucous membrane extending inward form the lateral walls
11. Highly contagious viral infection
12. a nosebleed
14. without oxygen
16. infectious lung disease caused by
18. Usually stands upright and allows air to enter the larynx; during swallowing partially covers the larynx to help prevent foods and liquids from entering the air passage
19. having to do with lungs
20. An enlargement in the airway at the top of the trachea and below the oropharynx; conducts air in and out of the trachea and prevents foreign objects from entering the trachea; houses vocal cords
24. The entire process of gas exchange between the atmosphere and cells (ventilation, external respiration, gas transport, internal respiration)
25. Aka throat; behind the oral cavity, the nasal cavity, and the larynx; a passageway for food moving from the oral cavity to the esophagus and for air passing between the nasal cavity and the larynx
26. inflammation of the voice box and vocal cords
31. inflammation of nasal mucous membranes
32. any chronic lung disease that results in obstruction of the airways