Respiratory System

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Across
  1. 2. body's built-in humidifier
  2. 5. carries air to and from your lungs
  3. 6. protects the lower respiratory tract from aspirating food into the trachea while breathing
  4. 8. eating and speaking
  5. 9. function allows us to breathe
Down
  1. 1. helps you breathe in and out
  2. 3. allows passage of inspired and expired air into and out of the lungs
  3. 4. helps you breathe and digest food
  4. 7. warms, conditions, and filters the air we breathe