Anatomy Practice Exam 2026 - Free Anatomy Practice Questions and Study Guide

The endocrine system is primarily responsible for hormone regulation in the body. This system consists of a network of glands that produce and secrete hormones directly into the bloodstream. Hormones act as chemical messengers, coordinating and regulating various physiological processes, including metabolism, growth and development, tissue function, and mood.

For instance, the endocrine glands, such as the pituitary, thyroid, and adrenal glands, release hormones that affect numerous bodily functions. The precise regulation of these hormones is crucial for maintaining homeostasis—a balance that is essential for health and well-being. This regulatory role distinguishes the endocrine system from other systems in the body, such as the muscular or nervous systems, which have different primary functions.