respiratory system

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Across
  1. 5. cavity warms, moistens and filters air as it is inhaled
  2. 7. The respiratory system is made up of the trachea, the lungs, and the?
  3. 11. Has a cartilage ring to keep the pathway open, branches off trachea in Y shape to take air into lungs.
  4. 12. The main air tube leading into the respiratory system
  5. 16. What is the name of the tiny air sacs in your lungs?
  6. 17. When you breathe in air, you bring oxygen into your lungs and blow out
Down
  1. 1. a slimy substance produced in nose and throat to moisten
  2. 2. a flap of cartilage that covers the trachea when swallowing
  3. 3. the act of inhaling air
  4. 4. The voice box is also known as the:
  5. 6. Tiny sacs of lung tissue specialized for the movement of gases between air and blood
  6. 8. When you inhale your lungs do what?
  7. 9. As you breathe, this contracts and flattens to give your lungs room to fill up with air.
  8. 10. is not good for your lungs.
  9. 13. The tiny hairs that keep mucus and dirt out of your lungs are called:
  10. 14. are intermittent contractions of the diaphragm followed by spasmatic closure of the vocal cords
  11. 15. The trachea is also called the:
  12. 18. Your body couldn’t breathe without this system. Which one is it?