D
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### Question:
Isabel goes jogging for two miles on a sunny afternoon. At the end of her run, she is warmer. As Isabel jogs, which function does the skin perform to help stabilize her body temperature?

### Choices:
A. Her skin exchanges oxygen and carbon dioxide.
B. Her skin produces red blood cells.
C. Her skin releases hormones.
D. Her skin discharges water.

### Answer:
