What system controls the secretion of hormones in the body?

The endocrine system is responsible for regulating and controlling the secretion of hormones in the body. Hormones are chemical messengers that travel through the bloodstream to target organs and tissues, where they help regulate various physiological processes such as metabolism, growth, and mood. The glands that make up the endocrine system, including the pituitary, thyroid, adrenal glands, and pancreas, release hormones directly into the bloodstream, which differentiates them from other systems.

The other systems listed have distinct functions: the nervous system facilitates rapid communication through electrical signals, the circulatory system transports blood and nutrients throughout the body, and the digestive system is primarily responsible for the breakdown and absorption of food. While the nervous and endocrine systems can interact and influence each other, it is specifically the endocrine system that manages hormone secretion.