The Bohr effect describes
Correct answer: B. Effect of CO2/pH on O2 affinity
- A. O2 binding to hemoglobin
- B. Effect of CO2/pH on O2 affinity
- C. CO2 transport
- D. Lung compliance
Explanation
The Bohr effect states that increased CO2/decreased pH reduces hemoglobin's affinity for O2, facilitating O2 release to tissues.
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About Gaseous Exchange in Lungs
Gaseous exchange in the lungs occurs across the thin, moist alveolar and capillary surfaces, where oxygen and carbon dioxide diffuse down partial pressure gradients. The topic covers alveolar adaptations, ventilation, the role of haemoglobin in oxygen transport, carbon dioxide carriage, and the difference between external gas exchange and cellular respiration.
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