circulatory system: Meaning and Definition of

cir'culatory sys"tem

Pronunciation: [key]
— Anat., Zool. Anat.,Zool.
  1. the system of organs and tissues, including the heart, blood, blood vessels, lymph, lymphatic vessels, and lymph glands, involved in circulating blood and lymph through the body.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.