The Respiratory System

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Across
  1. 2. Inflammation in the trachea, bronchi, and bronchioles which causes difficulty breathing
  2. 4. The 2 main airways that reach into each lung.
  3. 5. Important for keeping a healthy raspatory system
  4. 6. Where air is separated into Oxygen and Carbon Dioxide
  5. 8. The reason why your chest expands and contracts
Down
  1. 1. Another word for "Throat"
  2. 3. A Disease that is almost always caused by smoking
  3. 7. Pair of Organs that holds air