Across
- 3. Passageway for air at the back of the throat
- 4. Movement of gases between alveoli and capillaries
- 8. capacity Maximum amount of air that can be exhaled after a deep breath
- 10. Main muscle responsible for breathing
- 13. Voice box located at the top of the trachea
- 14. Smaller airways that branch from the bronchi
- 15. Tiny air sacs where gas exchange occurs
- 16. Movement of air in and out of the lungs
- 17. Gas inhaled into the lungs for energy production
- 18. Two main airways branching from the trachea
- 19. Organs where oxygen enters the blood
Down
- 1. Breathing out
- 2. Breathing in
- 5. rate Number of breaths taken per minute
- 6. Tiny blood vessels surrounding alveoli
- 7. Windpipe that carries air to the lungs
- 9. dioxide Waste gas exhaled from the body
- 11. volume Amount of air breathed in or out per breath
- 12. Process of using oxygen to produce energy