The Respiratory System

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Across
  1. 2. allows air to flow through the respiratory system
  2. 3. Also known as the throat
  3. 6. air enters the lungs through this tube
  4. 8. the bronchi lead into these smaller passageways
  5. 9. air provided through the trachea flows into these two tubes
Down
  1. 1. this contains tissue known as vocal cords
  2. 4. these are smaller one cell air sacs inside the lungs that collect oxygen
  3. 5. the main organ of the respiratory system
  4. 7. the thing that you eat with