Respiratory System

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Across
  1. 6. Biological system consisting of specific organs
  2. 8. The centerpiece of your respiratory system
Down
  1. 1. Essential to human speech, so it's often called the voice box
  2. 2. Large airway that leads to your lungs
  3. 3. Connects the nose and mouth to breathing passages
  4. 4. Gives you a sense of smell, and allows air to get into your body
  5. 5. A colorless, odorless reactive gas, and the life-supporting component of the air
  6. 7. Openings that pull air from outside your body into your respiratory system