Ok I really hope that this helps with the understanding of what happens when we digest fat (including olive oil). When we ingest fat it is passed through the oesophagus and into the stomach. The digestion of fats takes place mainly in the small intestines. When chyme (digestive juice and partly digested food) is passed from the stomach into the small intestine a hormonal signal causes the gallbladder to contract and eject bile into the small intestine through the common bile duct, one of the functions of bile is to decreases the surface tension of lipid and emulsifies the large fat dropl ...
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