Fact 1: Head hair is especially important in preventing heat loss from the body.

Fact 2: Hypothermia Loss of body heat caused by exposure is called Hypothermia.

Given the two facts above, answer the question "Something that helps prevent hypothermia:" with the following options: 
- dehydration
 - freezing
 - water
 - head hair
 - cold
 - electricity
 - Exfoliation
 - sweating


 

    head hair     