Respiratory System

3. Conductors to the nasal cavity
5. The ducts that lead to the alveoli
7. Flying mammal
10. the hollow muscular organ forming an air passage to the lungs and holding the vocal cords
11. division between upper an lower respiratory system
12. condition in which the air sacs of the lungs are damaged and enlarged, causing breathlessness
16. Actual site of gas exchange
17. the membrane-lined cavity behind the nose and mouth, connecting them to the esophagus
18. Pleural layer covering the lungs
19. Likes to chase mice
21. Man's best friend
22. Also known as the windpipe, air travels down the nose, through your larynx, and down your windpipe
24. butterfly-shaped gland in your neck, just above your collarbone

1. smallest conducting respiratory passageways
2. located below the lungs, is the major muscle of respiration
4. system in charge of gas exchange between pulmonary blood and external environment
6. main organ in the respiratory system
8. pair of soft tissue masses located at the rear of the throat (pharynx)
9. Purpose of mucose
12. Has a trunk
13. Separates oral and nasal cavities
14. Large marsupial
15. Pleural layer covering the thorax walls
20. Infection that inflames air sacs in one or both lungs, which may fill with fluid
23. two large tubes that carry air from your windpipe to your lungs