Answer
The pancreas which sits in the curve of the duodenum, is both an endocrine and an endocrine gland.
Work Step by Step
Most of the cells of the pancreatic acini (%) secrete an exocrine hormone , that is pancreatic juice , a digestive enzyme/hormone. This juice is delivered directly to the digestive system by the pancreatic duct(s).
The other 1% of the acini cells secrete glucagon, insulin, somatostatin, and pancreatic polypeptide. These hormones leave the pancreas by blood vessels
