Location : The thymus gland is a lobular structure located between the lungs and behind sternum on the ventral side of aorta.

Hormone : Secretes thymosin hormone. Thymosin is a peptide hormone. 

Functions of the hormones : 

1. It plays a major role in the differentiation of T-lymphocytes which provide cell-mediated immunity. 

2. It promotes the production of antibodies.