Explain the process of digestion of the various components of a cheese burger containing chicken, lettuce, cheese and the burger bun. For example - the bun is a carbohydrate so its digestion will begin in the mouth because of salivary glands, then it will go down the oesophagus and is digested. After digestion it turns into glucose + fructose.



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Once the cheeseburger bits are in your stomach, they are referred to as a bolus. The bolus is drowned in gastric juice, which is made up of the enzyme pepsin and hydrochloric acid (HCl).Digested food from the stomach is pumped into the small intestine, which gets flooded with fluid and enzymes from the liver (bile) and the pancreas (pancreatic amylase, trypsin, and lipase).The smallest form of carbohydrate is glucose, which is a sugar molecule. Proteins can be reduced to amino acids; fats can be reduced to fatty acids and glycerol. The smallest forms of the nutrients pass through the walls of the small intestine and are absorbed into the bloodstream.