Respiratory System

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Across
  1. 3. Breathing engine.
  2. 5. Allows gases to pass across cell membranes and enter/exit the cells.
  3. 8. Temporary, can spread from one person to another.
  4. 9. Serves as a air passageway.
  5. 10. Small air sacs at the end of the bronchioles.
Down
  1. 1. Two large tubes connected to the Trachea.
  2. 2. Voice box.
  3. 4. Windpipe & base of our tongue.
  4. 6. Affects certain parts of the lungs, and makes it difficult to breathe.
  5. 7. Little barrier in your throat.