Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.

Last updated: May 5th, 2025

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The superior and inferior mesenteric veins collect blood low in oxygen but high in nutrients from the intestines, and join with other intra-abdominal veins to form the hepatic portal vein. The hepatic portal vein returns all blood and nutrients to the liver for processing.

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