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 And volcanologists, who have studied Kīlauea for more than a century, are still trying to working out exactly what its magmatic circulatory system looks like. Robin George Andrews, The Atlantic, 26 Sep. 2024 And unlike adults, babies don't exhibit widespread inflammatory signaling throughout their circulatory system, perhaps preventing severe COVID. Simon Makin, Scientific American, 12 Feb. 2024 This discovery came about when researchers first surgically connected the circulatory system of a young and old mouse—a technique called parabiosis—and observed that this procedure slowed down the symptoms of aging, lengthening the lifespan of the older animal by 10 percent. João Medeiros, WIRED, 27 June 2024 Stress can contribute to inflammation in the circulatory system, including the coronary arteries; trigger migraines; throw off menstrual cycles; lead to stomach ulcers; and more. Angela Haupt, TIME, 8 Aug. 2024 See all Example Sentences for circulatory system 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'circulatory system.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1862, in the meaning defined above

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

Dictionary Entries Near circulatory system

Cite this Entry

“Circulatory system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/circulatory%20system. Accessed 2 Oct. 2024.

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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