Across
- 2. Main muscle used for breathing
- 3. structures in the larynx that make talking and singing possible
- 4. fluid buildup in air sacs caused by bacteria or virus
- 10. waste product of cellular respiration
- 12. Passageway for air behind the nose and mouth
- 14. also known as the Windpipe; connects throat to lungs
- 15. muscles that make exhaling aggressively possible
- 17. spasms of the diaphragm
- 19. Gas humans inhale that's necessary for cellular respiration
- 20. where cellular respiration takes place in the cell
- 22. the lungs fill with air due to _______ pressure
Down
- 1. Inspiration
- 5. Thin flap that covers the trachea during swallowing
- 6. C6H12O6
- 7. another word for the larynx
- 8. a collapsed lung
- 9. lack of oxygen in tissues
- 11. disease that destroys alveoli, caused by smoking
- 13. Tiny air sacs in the lungs where gas exchange happens
- 16. Two organs responsible for gas exchange
- 18. gases _____ through the respiratory membrane
- 21. the amount of gas left in your lungs after a giant exhale is _______ volume