∙ Pepsinogen is an inactive enzyme secreted by the gastric glands. In the presence of HCl, it gets activated to pepsin.
∙ Pancreatic juice is secreted by the pancreas into the duodenum. It consists of trypsin, amylase and lipase.
∙ Bile is produced by the liver and is stored in the gallbladder. It helps in the emulsification of fats into the duodenum of small intestine.