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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
This vitamin is important to RBC production, your body’s energy production, and your nervous system health.
—Sohaib Imtiaz, Verywell Health, 11 Jan. 2025
The earbuds track your movement and sleep patterns along with key vitals like your heart rate and nervous system activity, and offer personalized guidance for getting a better night's rest via a companion app.
—Andrew Gebhart, PCMAG, 10 Jan. 2025
Honey Honey can pose a risk of botulism (a serious bacterial infection that attacks the nervous system) in infants under 1 year old, as raw honey can contain the bacteria that causes botulism, Clostridium botulinum.
—Lauren O'Connor, Ms, Health, 6 Jan. 2025
Smile at other people Your nervous system is wired to quickly ascertain whether someone is a friend, stranger, or enemy.
—Angela Haupt, TIME, 17 Jan. 2025
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Word History
First Known Use
1703, in the meaning defined above
Dictionary Entries Near nervous system
Cite this Entry
“Nervous system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nervous%20system. Accessed 2 Feb. 2025.
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
More from Merriam-Webster on nervous system
Britannica English: Translation of nervous system for Arabic Speakers
Britannica.com: Encyclopedia article about nervous system
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