Respiratory System

7. The process of inhaling oxygen and exhaling carbon dioxide.
9. Bony structure protecting the organs of the thoracic cavity, including the lungs.
11. Chronic respiratory condition characterized by bronchial inflammation and narrowing of airways.
13. The act of breathing out, or expelling air from the lungs.
14. Tiny air sacs in the lungs where gas exchange occurs.

1. The main airways that branch off from the trachea into the lungs.
2. Low oxygen levels in body tissues.
3. Membrane surrounding the lungs and lining the chest cavity.
4. Pair of organs responsible for respiration, located in the thoracic cavity.
5. The act of breathing in, or taking air into the lungs.
6. A muscular partition separating the abdominal and thoracic cavities, involved in breathing.
8. The windpipe, connecting the larynx to the bronchi.
10. Hair-like structures in the respiratory tract that help move mucus and trapped particles.
12. Lung function test measuring the amount and speed of air breathed in and out