Thyroid hormones increase the rate of metabolism in cells throughout the body, and graves disease is a thyroid gland that overproduces thyroid hormone. Given these facts, what increases the rate of metabolism in cells among the following options:
- heat energy
 - heating liquids
 - Smoking
 - adding heat
 - cigarettes
 - smoking cigarettes
 - Graves disease
 - Dehydration


 

       Graves disease  