A test for catecholamines measures the amount of the hormones epinephrine, norepinephrine, metanephrine, and dopamine in the urine. These catecholamines are made by nerve tissue, the brain, and the adrenal glands. Catecholamines help
A healthy body temperature is maintained by the nervous system. As the body temperature increases, the body tries to maintain its normal temperature by transferring heat. Sweating and blood flow to the skin (thermoregulation) help us
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