Exemplar Problems

Question:

How does the Oxygen Dissociation Curve facilitate efficient oxygen transport in the body?

Answer:

The Oxygen Dissociation Curve allows for efficient oxygen transport by showcasing the relationship between blood oxygen levels (PaO2) and hemoglobin saturation (SaO2). Its sigmoidal shape ensures that hemoglobin has higher affinity for oxygen at high oxygen levels (e.g., in the lungs) and lower affinity at low oxygen levels (e.g., in tissues). This enables hemoglobin to readily load oxygen in the lungs and efficiently release it in oxygen-deprived tissues, optimizing oxygen transport and delivery to meet the body’s metabolic needs.

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