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A-Level Biology OCR A

Ciliated Cells Goblet Mucus Lungs Particles Draw Label

Ciliated epithelium in the trachea uses cilia to move mucus, trapping pathogens, and goblet cells to produce this mucus, protecting the lungs.

Ciliated epithelium, found in the trachea, consists of ciliated cells that move mucus and trapped particles away from the lungs, and goblet cells that produce the mucus.

Front Draw, label and annotate diagram to show how ciliated epithelium is specialised for its function.
Back Ciliated epithelium:
  • Made up of ciliated epithelial cells & goblet cells
  • Cilia (hair-like structures) - move in rythmic manner, causing mucus to be swept away from the lungs
  • Goblet cells - release mucus to trap unwanted particles from the air
  • The function of the tissue is to prevent particles & pathogens from reaching the alveoli once inside lungs
  • Found in the trachea

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