n. a major organ-system which includes the heart, the blood vessels, and the entire circulatory system of the body. It is responsible for the circulation of blood, along with nutrients, hormones, and gases such as oxygen.

CARDIOVASCULAR SYSTEM: "As to terminology, the cardiovascular system is often synonymous with the circulatory system."
Cite this page: N., Pam M.S., "CARDIOVASCULAR SYSTEM," in, April 7, 2013, (accessed May 10, 2021).