Which body system is responsible for secreting hormones that help regulate body systems?

The endocrine system is integral to maintaining homeostasis in the body by secreting hormones. Hormones are chemical messengers released into the bloodstream, and they influence various physiological processes such as metabolism, growth and development, tissue function, and mood.

The endocrine system encompasses a network of glands, including the pituitary, thyroid, adrenal glands, and the pancreas, each responsible for producing specific hormones that target different organs and systems. For example, insulin from the pancreas helps regulate blood sugar levels, while thyroid hormones influence energy metabolism.

In contrast, the digestive system focuses on the breakdown of food for nutrient absorption, the nervous system primarily handles electrical communication throughout the body to respond to stimuli, and the respiratory system is dedicated to gas exchange — bringing oxygen in and expelling carbon dioxide. Each of these systems serves vital roles, but they do not have the primary function of hormone secretion and regulation found in the endocrine system.