Circulation -- General
Your circulatory system consists of your
heart and blood vessels. Together, these provide a continuous flow of blood to
your body, supplying the tissues with oxygen and nutrients. Arteries carry
blood away from the heart; veins return blood to the heart.
Circulation -- Arterial
Your arteries carry blood away from the
heart. Oxygenated blood is pumped out of the heart through the body's main
artery — the aorta. Arteries that branch off the aorta transport blood
throughout the body, supplying tissues with oxygen and nutrients.
Source: AMA's Current Procedural Terminology, Revised 1998 Edition. CPT is a trademark of the American Medical Association.
Circulation -- Venous
Your veins carry blood back toward the
heart. Tiny vessels called capillaries in organs and tissues of the body
deliver deoxygenated blood into small veins called venules, which join to form
veins. Blood flows through the veins to the body's two main veins (called the
vena cavae), which deliver the blood back into the heart.
Source: AMA's Current Procedural Terminology, Revised 1998 Edition. CPT is a trademark of the American Medical Association.
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