Biology A-Level
Oxygen dissociation curve
What Oxygen dissociation curve means in Biology A-Level, as defined for OCR.
Definition of Oxygen dissociation curve
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Reference: OCR
A curve plotting percentage oxygen saturation of haemoglobin against partial pressure of oxygen (pO₂), with a sigmoid (S) shape.
Topics that use Oxygen dissociation curve
- Transport in animals (OCR A-Level)
Related terms
- Association and dissociation of oxygen
- 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
Using Oxygen dissociation curve in the exam
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