circulatory system

noun

Definition of circulatory system 

: 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

The resulting hardening diminishes the capacity of arteries to expand and contract about the column of blood which is needed to maintain uniform pressure to the far reaches of the circulatory system. WSJ, "Cardiovascular Health Frontier Is Calcium," 8 Oct. 2018 As the body temperature increases very rapidly, the central nervous system and circulatory system are impacted. Katherine Harmon, Scientific American, "How Does a Heat Wave Affect the Human Body?," 23 July 2010 This quick workout is designed to build heat in the body and stimulate the circulatory system, which brings more blood flow and oxygen to the muscles, joints and tissue. Chloe Kernaghan, Time, "This 10-Minute Cardio Yoga Workout Will Help Make You More Flexible," 10 July 2018 Summit, built by IBM, occupies floor space equivalent to two tennis courts, and slurps 4,000 gallons of water a minute around a circulatory system to cool its 37,000 processors. Tom Simonite, WIRED, "The US Again Has World’s Most Powerful Supercomputer," 8 June 2018 The Delaware Aqueduct is to the city what the aorta is to our circulatory systems: a necessary channel to keep everything running. Washington Post, "Fixing a massive NYC plumbing leak, 55 stories underground," 20 June 2018 The stream, a key part of the ocean's circulatory system, is at its weakest in more than 1,600 years, research shows. Doug Criss, CNN, "5 things for April 12: White House, Facebook, Pope Francis, plane crash, Gulf Stream," 12 Apr. 2018 Such concerns had been quelled over the last decade as climate models suggested this branch of the ocean’s circulatory system was not likely to see a rapid slowdown, which would slow any consequences. Andrea Thompson, Scientific American, "Slow-Motion Ocean: Atlantic’s Circulation Is Weakest in 1,600 Years," 11 Apr. 2018 The Science: Researchers conjoined the circulatory systems of young and old mice, a process called parabiosis. Gregory Barber, WIRED, "The Science Behind the Pursuit of Youth," 27 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'circulatory system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of circulatory system

1862, in the meaning defined above

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Last Updated

23 Dec 2018

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Time Traveler for circulatory system

The first known use of circulatory system was in 1862

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More Definitions for circulatory system

circulatory system

noun

Kids Definition of circulatory system

: the system of the body that circulates blood and lymph and includes the heart and blood vessels

circulatory system

noun

Medical Definition of circulatory system 

: 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

Britannica English: Translation of circulatory system for Arabic Speakers

Britannica.com: Encyclopedia article about circulatory system

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