Across
- 2. Also know as the voice box.
- 3. The part of the system you breath in and out from.
- 7. A small flap which prevents food from entering the trachea.
- 9. Also known as the windpipe this is the tube which carries air from the throat into the lungs.
Down
- 1. Carries air to the cells.
- 4. Bronchi continue to divide and become _________.
- 5. A broad band of muscle which sits underneath the lungs.
- 6. The trachea divides into two tubes called _________.
- 8. Where the throat divides into the the Trachea and the Oesophagus.