Biology A-Level
Tracheal system ventilation in insects
What Tracheal system ventilation in insects means in Biology A-Level, as defined for OCR.
Definition of Tracheal system ventilation in insects
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Reference: OCR
Air moves in and out of tracheae through spiracles along the abdomen and thorax by diffusion and by abdominal pumping movements that change pressure.
Topics that use Tracheal system ventilation in insects
- 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 Tracheal system ventilation in insects in the exam
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