PANCREAS is a flat organ that is posterior to the stomach. It secretes a hormone called insulin. One of the major functions of the insulin secreted by the pancreas is to lower blood sure (glucose) levels. . . #instituteofhumananatomy #anatomy #anatomylab #anatomyclass #cadaver #cadavers #cadaverlab #learninganatomy #learnanatomy #physiology #physiologyclass #biology #biologyclass #science #scienceclass #learn #learning #diabetes #pancreas #insulin | Institute of Human Anatomy