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cardiovascular system

American  
[kahr-dee-oh-vas-kyuhl-er sis-tuhm] / ˌkɑr di oʊˈvæs kyəl ər ˌsɪs təm /

noun

plural

cardiovascular systems

  1. Anatomy. the system that includes the heart, blood, and blood vessels; circulatory system.

cardiovascular system Scientific  

  1. See circulatory system

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Research suggests heat can also help the cardiovascular system, ease stiff joints and even help with our sleep.

From BBC • May 2, 2026

According to the review, green tea stands out for its protective effects on the cardiovascular system.

From Science Daily • Jan. 28, 2026

We have a little home gym, and I do a 20-minute, brutal, fast-paced blast on the elliptical machine to make sure I get my endorphins up and my cardiovascular system going.

From Los Angeles Times • Mar. 21, 2025

Ozempic may also act directly on the cardiovascular system.

From Salon • Jan. 24, 2025

It didn’t seem possible that something so simple could’ve had such a profound effect on my cardiovascular system, but my heart never slowed its pace.

From "A Very Large Expanse of Sea" by Tahereh Mafi

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.