The Amazing Human Respiratory System

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Across
  1. 2. Small tubes that bring air to the alveoli
  2. 5. The process of letting Carbon Dioxide out of your body
  3. 6. The nose has two of these
Down
  1. 1. There is 21 percent of this when you Inhale
  2. 3. This is the waste gas that is talked about in the Respiratory System
  3. 4. Your voice box
  4. 5. This is the organ your food goes down