The Respiratory System

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Across
  1. 2. The very first opening that is used to breathe.
  2. 4. A muscle under your lung that helps you breathe.
  3. 6. A tube connected to your throat that supplies air to your your trachea.
  4. 7. Tiny hairs on the lungs.
  5. 8. Tube in the middle of your neck that moves air to the larynx.
  6. 9. A waste gas that we exhale.
  7. 12. The system that works with the respiratory system to supply the entire body with oxyegn.
  8. 13. Warms and humidifies air that is breathed in.
  9. 15. Small blood vessels that deliver oxygen to cells throughout your body.
Down
  1. 1. Organ that the respiratory system revolves around.
  2. 3. The process by which clean air is brought in to the lungs and waste gasses are released.
  3. 5. The system that provides your body with oxygen while getting rid of excess gasses.
  4. 10. A key part of your respiratory system that provides air to your Bronchi.
  5. 11. Two large tubes that transport air from your trachea to your lungs.
  6. 14. The gas our body needs to survive.