For 10 points, name this central organ of the digestive system that breaks down food.
Histamine is released from the enterochromaffin-like cells of this organ. The production of a substance found in this organ is decreased by proton pump inhibitors. A compound required for Vitamin B12 synthesis, the intrinsic factor, is released from this organ's (*) parietal cells. Pepsinogen is released by the gastric chief cells of this organ, which releases chyme into the small intestine. For 10 points, name this central organ of the digestive system that breaks down food.
Histamine is released from the enterochromaffin-like cells of this organ.
stomach