You are presented with the question "What process helps hormones travel throughout the body in the bloodstream?" and the following answer choices: 
- hydration
 - mitosis
 - sleeping
 - sweating
 - oxygen
 - allow growth
 - eating
 - breathing

Now knowing that endocrine hormones travel throughout the body in the blood and breathing affects the flow of hormones through the endocrine system, choose the best answer.


 

        breathing 