What Does the Thyroid Do?
Reviewed: Dr. Gromatzky
1. Produces Thyroid Hormones
The main function of the thyroid gland is the production of thyroid hormones. These include T3, T4, and calcitonin.
All these thyroid hormones are composed of two main substances, namely iodine and tyrosine. T3 contains 3 iodine atoms while T4 contains 4 iodine atoms. These hormones have different roles in the body as discussed elsewhere in this article.
