Fact 1: Thyroid hormones increase the rate of metabolism in cells throughout the body.

Fact 2: Thyroid hormones are made by the thyroid gland.

Given the two facts above, answer the question "What gland makes a chemical in the body to increase the rate of metabolism?" with the following options: 
- sweating
 - Follicle
 - A drug.
 - heat
 - lmestone
 - endocrine gland
 - Pituitary gland
 - Thyroid


 

        Thyroid 