Main Dish

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Across
  1. 2. _________ is not good for your lungs.
  2. 5. The respiratory system is made up of the trachea, the lungs, and the:
  3. 7. system Your body couldn’t breathe without this system. Which one is it?
  4. 9. dioxide When you breathe in air, you bring oxygen into your lungs and blow out:
  5. 10. The trachea is also called the:
Down
  1. 1. As you breathe, this contracts and flattens to give your lungs room to fill up with air:
  2. 3. When you inhale, your lungs
  3. 4. The voice box is also known as the:
  4. 6. The tiny hairs that keep mucus and dirt out of your lungs are called:
  5. 8. What is the name of the tiny air sacs in your lungs?