The Respiratory System

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Across
  1. 6. Thin, mesh-like tubes
  2. 8. The pipe that allows you to inhale and exhale
Down
  1. 1. The two tubes that go into each lung
  2. 2. The biggest organs in our body
  3. 3. It causes hiccups
  4. 4. Little sacks that make your lungs expand
  5. 5. The 30,000 teeny, tiny tubes in each lung
  6. 7. Tiny hairs that stop dirt and mucus getting into our lungs