You are presented with the question "Thyroxine increases the rate of metabolism in cells throughout the what?" and the following answer choices: 
- Summer
 - body
 - state
 - skin
 - H 2 O
 - HIV
 - life
 - humans

Now knowing that thyroid hormones increase the rate of metabolism in cells throughout the body and thyroxine, a thyroid hormone, is an aryl iodide, choose the best answer.


 

  body       