Thyroid hormones increase the rate of metabolism in cells throughout the body.
Thyroid hormones are made by the thyroid gland.
The thyroid gland makes a chemical substance that increase the rate of metabolism in the body.
What gland makes a chemical in the body to increase the rate of metabolism?

  * sweating
  * Follicle
  * A drug.
  * heat
  * lmestone
  * endocrine gland
  * Pituitary gland
  * Thyroid