Majority of the digestion of the fats begins in the small intestine after the food enters the small intestine.
The fat in the food is very difficult to digest and begins after the lipid digesting enzymes called lipase acts on the fat and emulsifies the large fat molecule to small fat globules in the chyme. The lipase enzymes are present in the bile juice secreted by the liver which enters the duodenum through the hepatic duct.
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The liver plays an important role in the food digestion. The liver secretes bile juice which helps in the digestion of the fats. In the absence of digestion, this bile is stored in the gall bladder. The bile juice is the yellowish fluid, which aids in the digestion of fats (occurring in the small intestine) by emulsifying the fats molecules. the emulsification of these fat molecules is critical for their digestion, and absorption. Hence, the liver secretes bile juice and acts to emulsify the fat in the lumen of the small intestine.
Infected cells create and release small proteins known as interferons, which help the immune system fight viruses. Interferons stop viruses from replicating by interfering with their ability to multiply within infected cells.
