English Lexicon

Cardiovascular system

/ˌkɑːr.di.oʊˈvæs.kjə.lɚ ˈsɪs.təm/
nounCEFR B2 (Upper)Top #8500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The organ system that circulates blood through the body, consisting of the heart, blood vessels, and blood, delivering oxygen and nutrients to cells and removing waste products.

    "Regular aerobic exercise strengthens the cardiovascular system and improves overall endurance."
  2. 2

    The primary transport network in vertebrates responsible for maintaining hemodynamic stability and cellular perfusion.

    "Pathologies affecting the cardiovascular system remain a leading cause of mortality globally."

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Linguistic Origin & Historical Etymology

Derived from the combining forms of New Latin and Greek: 'cardio-' from the Greek kardia meaning 'heart', combined with 'vascular', originating from the Latin vasculum meaning 'a small vessel', and 'system' from the Greek systēma meaning 'organized whole'. The compound term emerged in late 19th-century medical terminology to describe the closed network transporting blood throughout organisms.

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