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