Across
- 3. Tissue that covers the outside of the lungs
- 4. How elastic the lungs can be
- 6. Expiratory + tidal + residual volumes
- 8. One way air can enter the body (2 words)
- 11. strong muscle that signifies the bottom of the thoracic cavity
- 13. Voice box
- 14. Fish use them to breathe
- 15. Air moves through the nasal canal towards the lungs
- 16. Molecule in red blood cells that oxygen attaches to
- 17. ____ Volume. A regular breath
- 18. Air moves through the nasal canal away from the lungs
- 21. Connects the trachea to the bronchiole
Down
- 1. Splits into larynx & esophagus
- 2. _____ Volume. Air left in the lungs, even after a deep breath
- 5. _____ Volume. Little bit of extra air after exhalation. (2 words)
- 7. Connects the bronchus to the alveolar sacs
- 9. Has the consistency of detergent. Lowers surface tension in the alveoli
- 10. Traps dust, dirt, and other particulates
- 12. Passage for air into the bronchi
- 19. Where gas exchange occurs
- 20. In mucus