# circulatory system

> English word · Noun · IPA /ˌsɜːk(j)uːlətəɹi ˈsɪstəm/

## Definitions
1. The parts of an animal body comprising the heart, blood vessels (arteries, veins, and capillaries), and blood, which circulate the blood around the body.
2. The parts of a machine responsible for the circulation of some fluid.

## Etymology
From circulatory + system.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/circulatory-system