Respiratory System

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Across
  1. 3. Organ of a gas exchange.
  2. 4. A hollow muscular organ forming an air passage and where vocal cords are located.
  3. 6. covers and prevents food from entering the windpipe and the lungs.
Down
  1. 1. Tiny air sacs of the lungs, thats allows rapid gas exchange.
  2. 2. The two branches, to each lead of the lung.
  3. 5. Filters air as it inhales and that its warm and moistens air.