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The Neurotransmitter Adrenaline
Often called adrenaline, this neurotransmitter regulates visceral functions. It is normally produced by the adrenal glands and a few neurons in the medulla oblongata. When an allergic reaction occurs, it causes an increase in blood adrenaline levels. Neurotransmitter The neurotransmitter epinephrine regulates heart rate and the body's response