The Respiratory System

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Across
  1. 6. Tiny structures where gas is exchanged
  2. 7. Main organ that cleans and filters your blood
  3. 8. The Windpipe
  4. 9. The voice box
  5. 10. The main organ of this system
Down
  1. 1. Tiny hairlike extensions that move together in a sweeping motion
  2. 2. The Throat
  3. 3. Tiny tubes that flow from your kidney carrying urine
  4. 4. A dome-shaped structure that contains muscles that help you breathe
  5. 5. Tiny structure that removes waste from the blood and produces urine