Respiratory system

2. Tube that carries air from the throat to the lungs (6)
3. Type of respiratory failure characterized by inadequate oxygenation (10)
5. Organ responsible for gas exchange (5)
7. Device used to assist breathing in patients with respiratory failure (8)
10. Valve-like structure that separates the airway from the esophagus (6)
13. Part of the respiratory system that produces mucus (5)
15. Type of breathing that occurs in response to high altitudes (9)
16. Condition characterized by an abnormal accumulation of fluid in the lungs (9)
19. Muscle that separates the chest cavity from the abdominal cavity (8)
20. Medication used to treat asthma (8)

1. Part of the respiratory system that filters the air we breathe (6)
4. Gas exchanged in the lungs (4)
6. Small air sacs in the lungs where gas exchange occurs (7)
8. Airway that connects the lungs to the throat (7)
9. Condition characterized by difficulty breathing due to narrowed airways (8)
11. Device used to measure lung function (9)
12. Disease characterized by inflammation of the air sacs in the lungs (10)
14. Surgical procedure to remove part of the lung (9)
17. System responsible for bringing oxygen into the body and removing carbon dioxide (12)
18. Part of the brain that regulates breathing (5)