Across
- 4. allowed by air passing over vocal chords to create sound
- 6. acts as a passageway for air to enter the lungs
- 7. small hairs that line the bronchial tubes
- 8. prefered entrance for air into the body
- 10. major airways that lead to the lungs that resemble a tree
- 12. receptors responsible for smell
- 13. moves unwanted material out of the lungs
- 16. works closely with this system during homeostasis
Down
- 1. the system that allows the body to breathe
- 2. muscle that moves the lungs so that they contract and expand
- 3. holds the vocal cords and allows speech
- 5. pair of organs that pull and push air in and out
- 9. disease that is spread through the air, deadliest disease in the world
- 11. disease that causes inflammation in airways
- 14. common name for larynx
- 15. small sacs where O2 and CO2 are exchanged