what is the effect of stimualation of the sympathetic nerve

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The sympathetic nervous xxxxxx is responsible for xxx xxx xxxxxxxxxxxxxxx xxxx homeostatic xxxxxxxxxx xx living xxxxxxxxxx Fibers xxxx xxx xxx innervate tissues in almost xxxxx xxxxx xxxxxxx providing xx least xxxx xxxxxxxxxx xxxxxxxx xx things xx diverse xx xxxxx xxxxxxxxx xxx motility, and urinary output. xx xx perhaps best xxxxx xxx xxxxxxxxx xxx neuronal xxx xxxxxxxx xxxxxx xxxxxxxx commonly xxxxx as xxx fight-or-flight response. xxxx xxxxxxxx xx xxxx known xx xxxxxxxxxxxxxxxx xxxxxxxx of xxx body, xx the preganglionic xxxxxxxxxxx fibers xxxx xxx in xxx xxxxxxx xxxxxxx (but xxxx xxx other sympathetic xxxxxxx secrete xxxxxxxxxxxxxx xxxxx xxxxxxxxx the xxxxx xxxxxxxxx xx xxxxxxxxxx (epinephrine) xxx to x xxxxxx xxxxxx noradrenaline xxxxxxxxxxxxxxxx xxxx it. xxxxxxxxxx this xxxxxxxx that acts primarily on the cardiovascular xxxxxx xx mediated directly via xxxxxxxx transmitted through xxx xxxxxxxxxxx nervous xxxxxx and xxxxxxxxxx xxx xxxxxxxxxxxxxx secreted from the adrenal medulla.
Some evolutionary theorists suggest that xxx sympathetic xxxxxxx xxxxxx xxxxxxxx xx early xxxxxxxxx xx maintain xxxxxxxx xx xxx xxxxxxxxxxx xxxxxxx xxxxxx is xxxxxxxxxxx for priming xxx xxxx xxx xxxxxxxxxx One xxxxxxx of this priming is xx xxx xxxxxxx before xxxxxxx in xxxxx xxxxxxxxxxx xxxxxxx spontaneously increases xx preparation for action.