circulatory system

noun

: the system of blood, blood vessels, lymphatics, and heart concerned with the circulation of the blood and lymph

Examples of circulatory system in a Sentence

Recent Examples on the Web
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This is how well a drug is absorbed by the circulatory system when introduced to the body and is then able to take effect. Alex Yampolsky, Verywell Health, 3 Mar. 2025 Increase movement: Regular exercise or movement can support the normal function of your circulatory system. Anna Giorgi, Verywell Health, 21 Feb. 2025 On Up First, NPR's Jenna McLaughlin compares the GSA to the federal government's circulatory system. Suzanne Nuyen, NPR, 12 Feb. 2025 Getting the fluid volume right is crucial: If levels are either too low or too high in the circulatory system, serious complications can arise. Behnood Gholami, IEEE Spectrum, 24 Sep. 2018 See All Example Sentences for circulatory system

Word History

First Known Use

1862, in the meaning defined above

Time Traveler
The first known use of circulatory system was in 1862

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Cite this Entry

“Circulatory system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/circulatory%20system. Accessed 13 Mar. 2025.

Kids Definition

circulatory system

noun
: the bodily system of blood, vessels, and heart concerned with the circulation of the blood and lymph

Medical Definition

circulatory system

noun
: the system of blood, blood vessels, lymphatics, and heart concerned with the circulation of the blood and lymph

More from Merriam-Webster on circulatory system

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