partial pressure of oxygen
What partial pressure of oxygen means in Biology A-Level, as defined for AQA.
Definitions of partial pressure of oxygen
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Reference: AQA
High in the lungs so haemoglobin loads oxygen, and low in respiring tissues so oxyhaemoglobin dissociates and unloads its oxygen.
The value on the x-axis of the oxyhaemoglobin dissociation curve, high in the lungs and low in respiring tissues.
Topics that use partial pressure of oxygen
- Mass transport in animals (AQA A-Level)
Related terms
- affinity
- affinity for oxygen
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- Biological drawing conventions
- Bohr effect
- Causation
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