What is the primary function of the thyroid hormones? a. Stimulation of the production of antibodies in response to antigens b. Precursors for hemoglobin synthesis c. Control the rate of oxygen use by cells d. Regulate acetylcholine concentrations in the central nervous system e. Counteract a deficiency of goitrogens

c. Control the rate of oxygen use by cells

Explanation:

A thyroid gland is present at the base of the neck and is of butterfly shape. The thyroid gland has two lobes which is connected by the isthmus. The thyroid gland is controlled by the hyopthalamus and the pituitary gland which are located in the brain.

The thyroid gland extracts iodine from the food to produce two thyroid hormones namely thyroxine and triiodothyronine. The main function of thyroid hormone is control the process how body uses energy and also controls the metabolism of the body. It also controls the rate at which the cell uses oxygen from the blood and affects the metabolism.

Hence the correct option is - - (c)

Answer: Regulates acetylcholine concentration levels in the central nervous system