Refer to Figure 13.1. The demand curve for insulin is most likely represented by

A) Panel A.
B) Panel B.
C) Panel C.
D) Panel D.

Demand Curve

A graph showing the relationship between the price of a good and the quantity demanded, with the curve usually sloping downwards from left to right, indicating that a higher price leads to a lower quantity demanded.

Insulin

A hormone produced by the pancreas that regulates the amount of glucose in the blood.