Adrenal Glands – It is composed of two parts : a) adrenal cortex (which is the outer part) and b) Adrenal Medulla ( which is the inner part). The Adrenal medulla is responsible for producing catecholamine’s which includes adrenaline, noradrenaline and small amounts of dopamine. These catecholamine’s are known as stresss hormones which are released during a situation of panic, terror, shock , anxiety or in any other situation of stress. These are also referred to as fight or flight' response