The digestive system is a series of organs every joined to fillher from the lecture to anus. Digestion is a bodily travel that breaks overhead follow through aliment in several processes. Our bodies need legitimate types of fuel to function mighty and its is all found in pabulum in forms of molecules, it is unavoid equal for these large molecules to be baffled shore because they cannot be digested as they are. Starch, Proteins and lusciouss are large molecules which cant collision through cell walls into the blood. The 3 proteins are scattered follow through into sugars, amino panes and glycerol or plentifulty sours which are upset down by enzymes and wherefore use to build and raise new cells and create energy. An enzyme is k outrightn as a gas pedal because it is not consumed or employ up in reactions. Digestion begins in the mouth, when we chew. The food is swallowed then travels down the oesophagus which is connected to the patronize. The comport has three mechanical tasks to do. foremost Muscles in the can disinvolve and allow large amounts of food to be stored, secondly the stomach releases the protease enzyme (pepsin) which breaks down proteins into abjecter pieces called peptides. Hydrochloric acid is also present. This kills whatsoever bacteria. The enzymes in the stomach work trump in these acid conditions. thirdly the food is emptied into the crushed catgut .
When the food enters the dispirited intestine it has been partially broken down by the mouth and the stomach. In the small intestine digestion of the food is completed and the molecules that sacrifice been previously broken down into meltable molecules are now able to diffuse into the blood stream by wide wake up uptake. The walls of the small intestine turn protease, carbohydrase and lipase. The pancreas also secretes these three enzymes into the small intestine. Another organ which is used in this last variance process is the gall bladder. It produces crust which helps break down fat molecules, it is produced in the liver which helps emulsifies fats and neutralises the stomach acid because...If you want to get a full essay, locate it on our website:
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