According to Walter Cannon, it is likely that Nibras's sympathetic nervous system stimulated his adrenal medulla to secrete hormones called catecholamines.
A catecholamine is a monoamine neurotransmitter, an organic compound that has a catechol and an aspect-chain amine. Catechol can be either an unfastened molecule or a substituent of a larger molecule, in which it represents a 1,2-dihydroxybenzene organization.
A kind of neurohormone (a chemical that is made by means of nerve cells and used to ship signals to different cells). Catecholamines are crucial in strain responses. excessive degrees purpose high blood stress that could lead to headaches, sweating, pounding of the heart, pain inside the chest, and anxiety.
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