Respiratory Crossword

2. Central space in the thoracic cavity that holds the heart
5. One of the two main branches of the trachea
6. Process of breathing in
10. Separates the right and left nostril
11. Maximum amount of air that can be exhaled after a normal exhalation
14. Inflammation of the lungs
15. The sum of tidal volume plus inspiratory and expiratory reserve volumes
19. Divides the nasal cavity increases the surface area of the nose.
20. Inflammation of the bronchial tubes
21. Can be called the "Adam's apple"
22. Top of the lung
25. Occurs when too much carbon dioxide accumulates in blood
26. Condition characterized by interrupted breathing during sleep
28. Space inside the nose
30. Muscular area separating the chest from the belly
33. Upper part of the pharynx
35. Prevents collapse of alveoli during expiration
36. Blockage of an artery in the lungs
38. Flexible muscle within oral cavity *Does not have bones
40. Microscopic air sacs within the lungs
41. Tool used to measure lung capacity and airflow
42. Flap of cartilage and associated tissue that closes over the opening to the larynx during swallowing
43. Part of the lung, where air tubes, vessels, and nerves enter or exit
44. Process of breathing out
45. Small branches of the bronchi within the lungs

1. Protein in red blood cells
3. Membrane that adheres to lung's outer surface
4. Amount of air breathed in or out during regular respiration
7. Double-layered membrane surrounding the lungs
8. Waste gas produced during cellular respiration
9. Number of breaths taken per minute
12. An inflammation of the larynx
13. Chronic respiratory condition characterized by airway inflammation
16. Windpipe that carries air to and from the lungs
17. They produce sound when air passes between them
18. Lowermost portion that connects the esophagus posteriorly with the larynx anteriorly
21. The right lung has three while the left lung has two of these
23. Superiorly separates the oral cavity from nasal cavity
24. Tiny hair-like structures in the respiratory tract
27. Better known as the "Throat"
29. Process of adding oxygen to the blood
31. Amount of air remaining in the lungs after a forced exhale
32. Vessel carrying deoxygenated blood from the heart to the lungs
34. Paired bony projections along the nasal cavity's lateral walls
37. Principle that in gas, pressure, and volume are inversely related
39. Flap that helps protect the airway during swallowing