The Respiratory System

12345678
Across
  1. 2. this muscles moves down when you breath in and moves up when you breath out
  2. 4. this is a little flap cartilage that prevents food and other things from entering into the trachea.
  3. 6. this divides into two bronchi which brings air into the lungs.
  4. 7. the air you breathe enters through here
  5. 8. gas exchange occurs here
Down
  1. 1. these bones protect your lungs and heart
  2. 3. this leads air towards your trachea
  3. 5. this is lined with thick mucus that traps food and other things that get past the epiglottis.