You eat a candy bar. Your body breaks down this snack into its basic components, which includes sugar. In response to the sugar, the cells in the pancreas release a signal (insulin) to communicate with other body cells (muscle, liver, and fat cells) that this sugar should be stored for later use. Which of the following is acting as the target cell in the example above?
A. insulin
B. sugar
C. pancreas cells
D. liver cells