IGNOU LSE 5 2026 - Define and describe an O2 dissociation curve. What are the effects of

Question

Define and describe an O2 dissociation curve. What are the effects of high temperature and carbon dioxide (CO2) concentration on this curve?

28 Jan 2026

Answer :

Word Count : 251

The oxygen (O₂) dissociation curve is a graphical representation of the relationship between the partial pressure of oxygen (pO₂) and the percentage saturation of hemoglobin with oxygen. It illustrates how readily hemoglobin binds to oxygen in the lungs and releases it in tissues. The curve has a sigmoidal or S-shaped

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