The function of the hormones secreted by the thymus gland is to: a. stimulate lymph production. b. concentrate the lymph and filter out toxins. c. enable lymphocytes to develop into mature T cells. d. break down old erythrocytes and recycle the hemoglobin.

C. Enables lymphocytes to develop into mature T cells.

Explanation:

The thymus gland is located behind the sternum between the lungs.

The hormone secreted by the thymus gland is known as thymosin which stimulates the development of T cells.

These T cells are disease fighting cells. They play a vital role in the lymphatic system protecting the body against autoimmunity, this is when the immune system turns against itself. T cells are otherwise known as T lymphocytes.

protist eukaryotes that are not plants, animals, or fungi ("misfits")