Question

As the PO₂ changes, what happens to the % saturation of Hb?

Answer 1

As the partial pressure of oxygen (PO₂) changes, the percent saturation of hemoglobin (% saturation of Hb) also changes. When the PO₂ increases, more oxygen molecules bind to hemoglobin, resulting in an increase in the percent saturation of hemoglobin.

Step-by-step explanation:

As the partial pressure of oxygen (PO₂) changes, the percent saturation of hemoglobin (% saturation of Hb) also changes.

When the PO₂ increases, more oxygen molecules bind to hemoglobin, resulting in an increase in the percent saturation of hemoglobin. This means that hemoglobin's affinity for oxygen increases as the availability of oxygen increases.