Autonomic nervous system

noun

Definitions

Noun
  1. 1
    In humans and other vertebrates, the part of the nervous system that regulates the involuntary activity of the heart, intestines and glands. These activities include digestion, respiration, perspiration, metabolism, and the modulation of blood pressure.
  2. 2
    the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands wordnet

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