Respritory system

5. _zone, includes the respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli
7. to deliver air to a diffuse network of around 300 million alveoli in the lungs
9. routes air coming in from the nose and mouth down to the larynx
10. _respritory system,larynx, trachea, bronchi, and lungs
11. _system, a system that works with respiratory system to pump blood around the body

1. where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out
2. _respritory system, includes the nose, nasal cavity, pharynx, and associated structures
3. when airways become inflated making breathing more difficult
4. when the muscles around the airway become swollen, causing tightness around the airway
6. allow passage of inspired and expired air into and out of the lung
8. allows us to breathe by using inhalation and exhalation
10. protect the lower respiratory tract from aspirating food into the trachea while breathing