Enodcrine System
THE ENDOCRINE SYSTEM The endocrine system controls the complex activities of the body by secreting hormones into the circulatory system that influence target organs. ... The endocrine system consists of the pituitary gland, the thyroid gland, the parathyroid gland, the adrenal gland, the pineal gland, the pancreas, and the gonads. ... The gonads contain the sex hormones, which are important to the functioning of the reproductive system.