Across
- 2. air sacs of lungs
- 3. when volume in chest decreases and pressure increases
- 5. membrane found on surface of lung
- 7. amount of air exchanged in normal breath
- 9. filters, warms and moistens the air entering the respiratory system
- 10. prime mover of breathing
- 11. amount of air left in lungs after normal exhalation
- 15. maximum amount of air exchanged in lungs
- 16. exchange of O2 and CO2 in the lungs
- 17. "throat"; part of both respiratory and digestive system
- 19. what your body uses to buffer the H+ produced with bicarbonate ions
- 21. muscles that help increase volume in chest
- 22. active phase of breathing
Down
- 1. form most of CO2 travels from cells to lungs
- 4. windpipe
- 6. gas exchange occurring between blood and body cells
- 8. protein that transports oxygen in blood
- 12. pop singer who tells us to "just keep breathin"
- 13. appropriate song for this chapter by The Weeknd
- 14. flap that covers glottis when swallowing
- 18. lung with one more lobe
- 20. "voice box"