Biology A-Level
Mucus, cilia and airway defence
What Mucus, cilia and airway defence means in Biology A-Level, as defined for OCR.
Definition of Mucus, cilia and airway defence
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Reference: OCR
Ciliated epithelium and goblet cells trap particles in mucus and move it away from the lungs, and the nasal cavity warms, moistens and filters incoming air.
Topics that use Mucus, cilia and airway defence
- Exchange surfaces (OCR A-Level)
Related terms
- Adaptations of exchange surfaces
- Airway structure and support
- Alveolar and capillary adaptations for diffusion
- Antagonistic muscle action
- Concentration gradients
- Correct use of the light microscope
- Counter-current gas exchange in gills
- large surface area
Using Mucus, cilia and airway defence in the exam
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