Respiratory system

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Across
  1. 3. takes in oxygen and distributes through your blood and removes waste carbon dioxide
  2. 4. The narrow tubes that form off of the bronchus and end in tiny sacks called alveoli
  3. 5. A large tube that provides a clear airway for air to pass to the lungs
Down
  1. 1. It allows you to breathe air in and out throughout your body
  2. 2. This is the first part of the respiratory system