Across
- 3. the attraction of water molecules creates this
- 4. breathing in, inhalation
- 8. air sac of a lung, saclike structure
- 12. lungs can expel up to about 1,100 mL of air beyond the resting tidal volume
- 13. one inspiration plus the following expiration
- 16. breathing out, exhalation
- 17. synthesize a mixture of lipids and proteins
- 18. is behind the oral cavity, the nasal cavity and the larynx
- 19. is a hallow space behind the nose
- 20. combining inspiratory volume and tidal volume and the reserve volume gets this
Down
- 1. can be measured using spirometry
- 2. obtaining oxygen and removing carbon dioxide are the primary functions
- 5. membrane composed of a capillary wall an alveolar wall and their basement membranes through which blood and inspired air exchanges gases
- 6. volume of the air that enters during a single respiratory cycle
- 7. oxygen carrying pigment in red blood cells
- 9. are soft, spongy, cone shaped organs in the thoracic cavity
- 10. involves taking a breath and releasing it in a series of short expirations
- 11. the process of oxygen utilization and carbon dioxide production at the cellular level
- 14. amount of pressure each has contributes
- 15. is a flexible cylindrical tube about 2.5 cm in diameter and 12.5 cm in length