Head hair is especially important in preventing heat loss from the body, and although hair is created by living follicles in the scalp, it's dead. Given these facts, what in the scalp is especially important in preventing heat loss from the body among the following options:
- cat hair
 - a cuticle
 - lint
 - sweating
 - dog hair
 - living follicles
 - staying warm
 - looseness


 

      living follicles   