Nervous System

Pronunciation
/NERV-us SYS-tem/
Category
Anatomy
Singular
Nervous System
Plural
Nervous Systems

Definition

A complex network of specialized cells called neurons that transmit information throughout the body, enabling communication, coordination, and control of various bodily functions. In entomology, the insect nervous system includes a brain, a ventral nerve cord, and multiple ganglia.

Etymology

From Latin 'nervus', meaning 'nerve', and 'systema', referring to a coordinated network.

Example

The insect nervous system controls its flight, feeding behavior, and defense mechanisms.

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