You are presented with the question "Bodily functions are controlled by hormones that travel through what?" and the following answer choices: 
- glucose
 - blood
 - ovaries
 - wires
 - rivers
 - Man
 - muscles
 - brain cells

Now knowing that endocrine hormones travel throughout the body in the blood and almost every body function is controlled by hormones released from the endocrine glands, choose the best answer.


 

  blood       