![]() Noradrenaline release increases a person’s heart rate and blood pressure. This neurotransmitter helps the body respond to stress. ![]() When a person experiences stress, the body releases adrenaline to allow increased blood flow to the muscles, heart, and lungs. This neurotransmitter is responsible for the fight-or-flight response. This neurotransmitter sends signals throughout the nervous system. These hormones function in the following ways: Dopamine The main types of catecholamine are dopamine, adrenaline, and noradrenaline. The adrenal glands are located just above the kidneys. The body produces them in the brain, nerve tissues, and adrenal glands. Share on Pinterest Dopamine, adrenaline, and noradrenaline are the main types of catecholamine.Ĭatecholamines are hormones that also function as neurotransmitters.
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