Each part is responsible for producing different hormones. Your adrenal glands are composed of two parts: the cortex (outer region) and the medulla (inner part). Metabolism (how your body transforms and manages energy from the food you eat).They’re a part of your endocrine system and produce certain hormones that help regulate several important bodily functions, including: Your adrenal glands, also known as suprarenal glands, are small, triangle-shaped glands that are located on top of each of your two kidneys. Adrenal glands have two main parts: Adrenal medulla (inside) and adrenal cortex (outside). A triangle-shaped gland on top of a kidney.