Across
- 1. These tiny air sacs are found in the lungs, allowing for gas exchange.
- 6. A large air-filled space, located behind and above the nose.
- 7. Another term for inhalation.
- 9. A lung disease in which the bronchioles become swollen and produce mucus.
- 10. An inflammation of the lungs caused by a bacterial or viral infection.
Down
- 2. Another term for exhalation.
- 3. A hollow muscular organ that forms an air passage to the lungs.
- 4. A process in which particles move from an area of higher concentration to area of lower concentration.
- 5. This is a waste product, produced by the respiratory system.
- 8. This muscle plays an important role in breathing, contracting to inflate the lungs.