The Respiratory System

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Across
  1. 3. Also known as the windpipe this is the tube which carries air from the throat into the lungs.
  2. 4. The trachea divides into two tubes called bronchi, one entering the left and one entering the right lung.
  3. 5. The function of this part of the system is to warm, filter and moisten the incoming air
  4. 6. Is a broad band of muscle which sits underneath the lungs.
  5. 7. Have very thin walls which permit the exchange of oxygen and carbon dioxide.
Down
  1. 1. Bronchi continue to divide.
  2. 2. Here the throat divides into the trachea (wind pipe) and esophagus (food pipe).
  3. 8. This is also known as the voice box as it is where sound is generated.