Final answer:
The pancreas secretes digestive enzymes through its exocrine function into ducts that lead to the gastrointestinal tract to assist with digestion.
Step-by-step explanation:
The pancreas serves as both an endocrine and an exocrine gland. In its role as an exocrine gland, the pancreas releases digestive enzymes into ducts that lead to the gastrointestinal tract. These enzymes, vital for the digestion of food, are secreted by cells known as acinar cells and comprise the pancreatic juice. This juice travels through the pancreatic duct to the duodenum, where it aids in breaking down carbohydrates, proteins, lipids, and nucleic acids. As an endocrine gland, the pancreas also contains the islets of Langerhans, which produce hormones such as insulin and glucagon; however, these hormones are released directly into the bloodstream, not into the ducts.