Biology A-Level
Association and dissociation of oxygen
What Association and dissociation of oxygen means in Biology A-Level, as defined for OCR.
Definition of Association and dissociation of oxygen
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Reference: OCR
At high pO₂ in the lungs oxygen associates with haemoglobin to form oxyhaemoglobin, while at lower pO₂ in respiring tissues oxygen dissociates and is released.
Topics that use Association and dissociation of oxygen
- Transport in animals (OCR A-Level)
Related terms
- Carbon dioxide transport forms
- Control of blood distribution by arterioles
- cooperative binding
- double circulation
- Exchange at capillaries and return of blood in veins
- Heart anatomy
- Heart rate and rhythm interpretation
- Hydrostatic versus osmotic forces
Using Association and dissociation of oxygen in the exam
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