Open main menu

Trachea

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

The trachea splits into two smaller pipes called bronchi.

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.

About the Trachea

The trachea splits into two smaller pipes called bronchi.

References

AQA

Trachea, page 29, GCSE Combined Science; The Revision Guide, CGP, AQA
Trachea, page 33, GCSE Biology; The Revision Guide, CGP, AQA
Trachea, page 70, GCSE Combined Science Trilogy; Biology, CGP, AQA
Trachea, page 76, GCSE Biology, CGP, AQA
Trachea, pages 106-7, 118-9, 148, GCSE Biology; Student Book, Collins, AQA