Contents
Key Stage 3
Meaning
A diagram showing the trachea.
The trachea is a tube connecting the mouth to the lungs.
Adaptations of the Trachea
- The trachea is covered in cartilage to stop it from closing when the lungs take in Oxygen.
- The trachea contains specialsed cells which release mucus in order to trap micro-organisms and dust to prevent them entering the lungs.
- The inner lining of the trachea is covered in ciliated epithelial cells to sweep the mucus up away from the lungs.
About the Trachea
Key Stage 4
Meaning
A diagram showing the trachea.
The trachea is a cartilage covered tube connecting the mouth to the lungs.
Adaptations of the Trachea
- The trachea is covered in cartilage to stop it from closing when the lungs take in Oxygen.
- The trachea contains specialsed cells which release mucus in order to trap micro-organisms and dust to prevent them entering the lungs.
- The inner lining of the trachea is covered in ciliated epithelial cells to sweep the mucus up away from the lungs.