How do endocrine glands function in the body?

Endocrine glands function as a sophisticated communication system within the body. These ductless glands produce and release hormones directly into the bloodstream rather than through tubes or ducts. Once in the blood, hormones travel to specific target organs or tissues where they bind to receptors and trigger particular responses. The endocrine system works on a feedback mechanism—when hormone levels become too high, the gland reduces production, and when levels drop too low, production increases. This self-regulating system ensures the body maintains proper balance (homeostasis) for optimal functioning.