Respiratory Terms

4. Process by which cells use oxygen to produce energy.
6. Primary organs of the respiratory system.
7. Process of breathing.
11. The process of breathing in.
13. Movement of air in and out of the lungs.
15. Organ through which air enters the respiratory system.
17. Also known as the voice box.
18. Hair-like structures that help filter out dust and pathogens from the airways.
20. Membrane surrounding the lungs.
21. Passages in the nose where air is warmed and filtered.
22. The two main branches of the trachea that enter the lungs.

1. respiration: Exchange of gases between lungs and blood.
2. Air-filled spaces that help regulate the temperature and humidity of inhaled air.
3. Passageway for air, leading to the larynx.
5. The process of breathing out.
8. Exchange of gases between blood and body cells.
9. Small air sacs where gas exchange occurs in the lungs.
10. Flap that prevents food from entering the trachea.
12. Body system responsible for gas exchange.
14. Partition separating the nostrils.
16. The windpipe that connects the larynx to the bronchi.
19. Smaller branches of the bronchi within the lungs.