Fact 1: Endocrine hormones travel throughout the body in the blood.

Fact 2: And blood, blood runs like water.

Given the two facts above, answer the question "Endocrine hormones travel through the what in something that runs like water?" with the following options: 
- body
 - muscle
 - state
 - a path
 - ligt
 - a fish
 - liquid
 - CO 2


 

 body        