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The circulatory System is divided into three major parts:

  • Heart
  • Blood
  • Blood Vessels: arteries, veins, capillaries

The purpose of the circulatory system is to carry blood to all parts of the body. No part of the body can live long without the oxygen and nutrients that the blood carries. As well, all parts of the body can become diseased if carbon dioxide and toxins build up in the blood and tissues. So, every millimeter of blood vessels performs critical jobs in keeping the body alive and healthy.

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14y ago

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