What Did Harvey Discover?

What Did Harvey Discover? Harvey claimed he was led to his discovery of the circulation by consideration of the venous valves. It was known that there were small flaps inside the veins that allowed free passage of blood in one direction but strongly inhibited the flow of blood in the opposite direction. Who proved blood

What Type Of Circulation Sends Nutrient Rich Blood From The Gastrointestinal Tract To The Liver?

What Type Of Circulation Sends Nutrient Rich Blood From The Gastrointestinal Tract To The Liver? The hepatic portal vein is a vessel that moves blood from the spleen and gastrointestinal tract to the liver. It is approximately three to four inches in length and is usually formed by the merging of the superior mesenteric and