What type of blood does the Portal Vein carry?

The Portal Vein is responsible for transporting deoxygenated blood from the gastrointestinal tract and spleen to the liver. This blood contains nutrients and other substances that have been absorbed from digested food. The classification of blood that the Portal Vein carries is primarily venous blood from the intestines, making this the most accurate description.

In terms of its composition, the blood in the Portal Vein includes byproducts of digestion, which enter the bloodstream from the intestines. This is a critical function because it allows the liver to process these nutrients and detoxify substances before they enter the systemic circulation.

While the blood in the Portal Vein is deoxygenated, specifically labeling it as venous blood from the intestines is a more precise and comprehensive answer, as it highlights the source and nature of the blood being carried through the Portal Vein.