There are actually three organs that secrete digestive substances into the small intestine to help digest proteins, carbohydrates and fats. These organs are: - the liver - the pancreas - the gallbladder
Glandular organs are a part of the accessory digestive organs. They include salivary glands, liver and the pancreas. These are the glandular organs that secrete their products into ducts that empty into the digestive tract.