Norepinephrine, which is also known as noradrenalin or levarterenol, is a secretion by the human brain that is being excreted by the adrenal gland. It acts as a neurotransmitter as well as the stress hormone in your body. It is present in the medulla of adrenal gland in central nervous system and sometimes in sympathetic nervous system as well. It is also being used in hospitals commercially as a treatment to dangerously low blood pressures of patients. Norepinephrine Information As a neurotransmitter, the function of norepinephrine is to transmit nerve impulses from one neuron to another and treating unhappiness in turn. While as a stress hormone, it produces sudden energy and power in the body during a stressful situation so that your body will become able to give fight and flight responses to the stress. As it is secreted by the adrenal gland, it works alongside with adrenaline to produce energy in the body. On the other hand, its structure is also similar to that of adrenaline. Functions of Norepinephrine The main functions of norepinephrine are: •    To produce energy in the body during stress, •    To increase blood pressure, •    Increase blood flow in blood vessels providing it to the body muscles appropriately, •    Stimulates the amount of sugar in blood by producing glucose in  the liver, •    Necessary element to use while performing CPR •    Activating central nervous system and autonomic system to give response to the stress by making them ready for the fight and flight responses ...

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