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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In these systems, AI is the engine of insight, and FHIR is the circulatory system that makes data flow possible. Arunkumar Paramasivan, Forbes.com, 20 May 2025 Interestingly, this benefit was observed even when blood pressure remained unchanged, suggesting a broader positive impact on the circulatory system. Lucy Notarantonio, MSNBC Newsweek, 15 May 2025 Flatworms are a group of invertebrates without specialized respiratory, skeletal or circulatory systems. Irene Wright, Miami Herald, 9 Apr. 2025 Treadmill for Building Cardiovascular Health Improving cardiovascular health, which is the health of your heart, lungs, and circulatory system, can improve overall health and decrease the risk of cardiovascular disease. Cory Martin, Verywell Health, 19 Feb. 2025 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 6 Jun. 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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