Our bodies and brains run on glucose. The carbohydrates we eat are broken down in the small intestine into glucose and circulated throughout the body. The body’s ability to use glucose as its main source of energy depends on the hormone insulin, produced by the pancreas.

The pancreas, located behind the stomach, that secretes digestive enzymes into the duodenum of the small intestine, which then combine with bile, produced in the liver. The majority of cells in the pancreas (some 98%) are cells arranged in grapelike clusters that produce these important enzymes. The other 2% of pancreatic cells are those that produce insulin and other hormones that govern sugar metabolism.

The pancreas /ˈpæŋkriəs/ is a glandular organ in the digestive system and endocrine system of vertebrates. In humans, it is located in the abdominal cavity behind the stomach. It is an endocrine gland producing several important hormones, including insulin, glucagon, somatostatin, and pancreatic polypeptide which circulate in the blood. The pancreas is also a digestive organ, secreting pancreatic juice containing digestive enzymes that assist digestion and absorption of nutrients in the small intestine. These enzymes help to further break down the carbohydrates, proteins, and lipids in the chyme.

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