Medical Definition of sphincter of Oddi. : a complex sphincter closing the duodenal orifice of the common bile duct.
Human blood is made of plasma (makes up 54.3% of the blood volume) and several kinds of cells (corpuscles); these are 1  â. erythrocytes (RBC) â 45% of blood by volume. 2  leukocytes (WBC) â 0.7% of blood by volume. 3  thrombocytes (platelets) â minute amounts.
Blood is the final component of the circulatory system. Blood is made up of a liquid called plasma and three particles called red cells, white cells, and platelets. An average adult has about 5 quarts of blood in their body. The circulatory system works together with other body systems. It works with the respiratory system to deliver oxygen. When you take in a breath of air with your lungs, the oxygen passes into your blood stream.