Across
- 2. several groups of muscles that run between the ribs, and help form and move the chest wall
- 4. the hollow muscular organ forming an air passage to the lungs and holding the vocal cords
- 5. the membrane-lined cavity behind the nose and mouth, connecting them to the esophagus
- 6. tiny hairs that protect the nasal passageways
- 8. airways that lead from the trachea into the lungs and then branch off into progressively smaller structures until they reach the alveoli
- 9. the process of letting air out of the lungs
- 10. any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange
Down
- 1. portion of air contained in the lungs which can not be expelled even by the most violent expiratory effort
- 3. the process of taking air into the lungs
- 7. lung condition that causes shortness of breath