Fact 1: Mammals have a layer of fat under the skin to help insulate the body.

Fact 2: All humans are mammals.

Given the two facts above, answer the question "What has a layer of fat under the skin to help insulate the body?" with the following options: 
- goats
 - snakes
 - hamburgers
 - animals
 - humans
 - rabbit
 - bears
 - fur


 

     humans    