nervous system

noun

: the bodily system that in vertebrates is made up of the brain and spinal cord, nerves, ganglia, and parts of the receptor organs and that receives and interprets stimuli and transmits impulses to the effector organs see autonomic nervous system, central nervous system, peripheral nervous system

Examples of nervous system in a Sentence

Recent Examples on the Web

Photosynthesis was such a profound development; so were eukaryotes, nervous systems and language. —Philip Ball, Wired News, 8 June 2025

But the inhalation of these toxic chemicals can seriously impact the nervous system resulting in dizziness, slurred speech and, potentially, death. —Jack Beresford, MSNBC Newsweek, 6 June 2025

It’s based on the idea that the Earth carries a subtle electrical charge, and connecting to it may help neutralize free radicals, reduce inflammation, lower blood pressure, and regulate the nervous system. —C200, Forbes.com, 3 June 2025

Caffeine is a natural stimulant that affects the brain and the nervous system to increase alertness and delay fatigue. —Christina Pérez, Vogue, 27 May 2025

Word History

First Known Use

1703, in the meaning defined above

Rhymes for nervous system

• cryptosystem
• ecosystem
• intersystem
• multisystem
• photosystem
• subsystem

Kids Definition

nervous system

noun

: the bodily system that receives stimuli, decides on their importance, and sends nerve impulses to the organs of action and that in vertebrates is made up of brain and spinal cord, nerves, ganglia, and parts of the receptor organs

Medical Definition

nervous system

noun

: the bodily system that in vertebrates is made up of the brain and spinal cord, nerves, ganglia, and parts of the receptor organs and that receives and interprets stimuli and transmits impulses to the effector organs see autonomic nervous system, central nervous system, peripheral nervous system