Ingestion, Digestion, Absorption and Assimilation of Food — BIOLOGY STD 7 — Question

Liver does not secrete any enzyme yet it helps in digestion because it secretes bile which helps in digestion of fats by breaking down fats in to tiny droplets to provide larger surfaces area for the enzymes to act. This process is called emulsification of fats. Bile secreted by liver is stored in gall bladder. Bile provides an alkaline medium in the duodenum for the action of enzymes of the pancreatic juice. Liver also helps in regulating blood-sugar level and in storage of carbohydrates.