What do the glands in the endocrine system regulate?

The glands in the endocrine system are responsible for regulating hormones, which are chemical messengers that travel through the bloodstream to target organs and tissues. These hormones influence a wide range of physiological processes, including growth and development, metabolism, sexual function, reproduction, and mood.

Each gland in the endocrine system, such as the pituitary, thyroid, adrenal, and pancreas, releases specific hormones that help maintain homeostasis and coordinate complex bodily functions. For instance, the thyroid gland releases thyroid hormones that regulate metabolism, while the pancreas releases insulin and glucagon to manage blood sugar levels.

Although blood flow, temperature, and enzyme activity can be influenced by hormones, they are not directly regulated by the glands of the endocrine system but rather as a result of hormonal activity. This distinction is crucial for understanding the precise role of the endocrine system in bodily regulation and homeostasis.