The most important function of the nervous system is the rapid and accurate transmission of information. Communications from sensory receptors to central sensory centers, between central sensory and central motor centers, and from central motor centers to the effector organs (muscles and glands) must be fast and precise. The survival of the organism may depend on its ability to detect and respond rapidly to a threatening change in its environment.
KeywordsPermeability Dopamine Glycine Adenosine Serotonin
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