Nervous system

noun

Definitions

Noun
  1. 1
    An organ system whose principal constituent is nervous tissue that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses, and initiates actions.

    "Sudden anger rose in him. “What I’m looking for,” he barked, “is to be left in peace.” His voice trembled with a rage far bigger than her intrusion merited, the rage which shocked him whenever it coursed through his nervous system, like a flood."

  2. 2
    the sensory and control apparatus consisting of a network of nerve cells wordnet

Etymology

1703, nervous + system.

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