Respiratory System: Organs and Functions

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Across
  1. 4. Two branches of trachea
  2. 5. Respiratory system/respiration begins with this organ
  3. 6. swollen part of the wind pipe also called voice box
Down
  1. 1. Elastic sponge like organ of respiratory system
  2. 2. Another name for wind pipe
  3. 3. Place from where food pipe and wind pipe originates