You are presented with the question "how do organisms cool off?" and the following answer choices: 
- down
 - shade
 - winter
 - water
 - sweat
 - cold
 - sleep
 - skin

Now knowing that if an animal sweats then that animal 's bodily water decreases and when animals sweat, evaporation of the sweat takes away body heat, thus cooling the animal, choose the best answer.


 

     sweat    