Breathing

4. move debris and microbes out of the airways
6. secondary branch of the airways that connect the lungs
9. seal off the windpipe during eating
11. providing the lungs with the lubrication and cushioning needed to inhale and exhale
14. serving as the secondary passage for air to enter and exit the respiratory tract during inhalation and exhalation
15. Organ to breath

1. part of the lower respiratory tract
2. diverse and widely distributed throughout the rib cage
3. muscle that helps you breathe in and out
5. used when talking
7. condition the air to be received by the other areas of the respiratory tract
8. responsible for helping us breathe, and this, actually form the main part of the respiratory system
10. part of the throat behind the mouth and nasal cavity
12. exchange oxygen and carbon dioxide molecules to and from the bloodstream
13. main passageway into the lungs