Question
What is the effect of $\mathrm{pCO}_2$ on oxygen transport?
✓
Answer
- $\mathrm{pCO}_2$ plays an important role in oxygen transport.
- In the alveoli, because of low $\mathrm{pCO}_2$, oxygen binds with haemoglobin resulting in the formation of oxyhaemoglobin.
- In tissues, high $\mathrm{pCO}_2$ facilitates the dissociation of oxyhaemoglobin.
- $\mathrm{O}_2$ gets bound to haemoglobin at the lung surface where $\mathrm{pCO}_2$ is low and dissociates at the tissues where $\mathrm{pCO}_2$ is high.
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