The continuation of the descending aorta below the diaphragm, supplying the abdominal viscera, retroperitoneal organs, and bifurcating into the common iliac arteries.
Supplies oxygenated arterial blood to the abdominal viscera, pelvic organs, and lower extremities.
Retroperitoneal midline of the posterior abdominal wall, anterior to the lumbar vertebrae.
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The heart provides the muscular pumping force that drives blood into the pulmonary trunk and ascending aorta.
After arterial blood perfuses capillary beds in tissues, the venous system collects and returns the blood back toward the heart.
In the pulmonary circuit, arteries carry blood from the right side of the heart to the lungs where oxygen is replenished.