Across
- 3. the body system that allows for gas exchange with the blood
- 4. the gas that is exhaled
- 6. the place where the mouth tube and the nose tube meet up
- 9. oxygen that is brought into the body eventually needs to get to every ___ in the body
- 10. the 2 sponge-like sacs that gases need to get in the respiratory system
- 11. the flap that covers the esophagus when you are breathing
- 14. the small blood vessels that surround the alveoli sacs
- 15. the gas that is inhaled
Down
- 1. the site where gas is exchanged/diffuese with the blood
- 2. the bronchi branch off into these smaller tubes within the lungs
- 5. the 2 tubes that split off of the trachea and lead into a lung
- 7. one area that air enters the respiratory system
- 8. one area that air enters the respiratory system
- 9. the small hairs that line the respiratory tract and help to catch materials
- 12. the muscle that controls breathing
- 13. the main tube bringing oxygen into the system