Lungs puzzle

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Across
  1. 5. Your lungs are part of this system
  2. 6. Your lungs are located behind your _________
  3. 8. These are small blood containing structures that covers the alveoli.
  4. 10. Your windpipe is also called the _______.
Down
  1. 1. Your lungs main job is to take this from the air we breathe and store it in our lungs.
  2. 2. When you ________ in, air comes in you mouth or nose
  3. 3. Your body produces a gas called _________.
  4. 4. When you inhale air, you diaphragm __________.
  5. 7. The lungs need this helper to do their work
  6. 9. There are about 600 ________ in our body.