Fact 1: Sweat wets the skin, and when it evaporates, it cools the body.

Fact 2: Sweat is made of salt and water.

Given the two facts above, answer the question "An overheated body can use water for:" with the following options: 
- metabolic reaction
 - dehydrating
 - raising their temperature
 - heat produced
 - liquid
 - watering plants
 - evaporative cooling
 - retaining heat


 

       evaporative cooling  