The adrenal gland consists of two parts - an outer cortex and an inner medulla.
Adrenal cortex and adrenal medulla behave as independent organs and secrete into bloodstream different hormones.
The thymus is located between the lobes of the lungs in the upper chest cavity.
Some hormone levels and physiological processes in the body seem to rise and fall in a regular pattern.
The pancreas is a small gland located near the small intestine.
The thyroid gland, with its distinctive “butterfly” shape, is located above the trachea in the neck.
Pituitary gland - the "master gland" of the endocrine system
The pituitary gland, also called as hypohysis, is located at the base of the brain and connected to the hypothalamus of the brain.
Function of the endocrine system
Maintaining homeostasis within the body requires the coordination of many different systems and organs.
The endocrine system is one of communication mechanisms between neighboring cells, and between cells and tissues in distant parts of the body.