<span>Exocrine acinar cells secrete several digestive enzymes, inlcuding amylase, lipase, and peptidases enzymes, which are only activated when they reach the duodenum. On the other hand, Epithicial cells, which reside in the pancreatic ducts, are the source of the bicarbonate and water secreted by the pancreas.</span>
All cell are produced from other cells. The surrounding environment is filled with many type of cells that can interact with the bacteria once it's exposed to it.
Explanation:Diffusion is the process in which molecules move from an area of lower concentration to higher concentration along the concentration gradient.