Respiratory System Review

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