Respiratory System

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Across
  1. 5. a sticky liquid produced or made by the linings of the nose; keeps your nose moist
  2. 6. tube that leads from the throat toward the lungs; also called windpipe
  3. 7. your body produces this gas and it leaves your body
  4. 10. pair of spongy, air-filled organs that are part of the respiratory system
Down
  1. 1. This system brings air containing oxygen to your body
  2. 2. another way to breathe in air; sometimes you breath through this because of a stuffy nose
  3. 3. two openings in the nose
  4. 4. opposite of inhale; when you breathe out
  5. 8. your body needs this to stay alive
  6. 9. breathing in