There are three main foods in a CHEESE SANDWICH!!! which are; bread, this is made up of carbohydrates and fiber; the cheese is made from mostly fat and so is the butter.
First the cheese sandwich will go into your mouth and the teeth and jaws will work to break up the food into smaller pieces, making it easier to digest. Saliva in the mouth contains a enzyme called Amylase, this enzyme breaks down starch into glucose. This is because starch molecules are large and insoluble, so by breaking the down it becomes smaller and easier to digest.
The food then travels down the gullet, a long tube in your neck. It can take 2 seconds for food to travel down there to the stomach. The muscles of the gullet contract to move food down to the stomach. The epiglottis (the flesh at the back of your throat) closes to prevent food from travelling down the windpipe.
In 5 seconds, the broken down cheese sandwich will enter the stomach. In the stomach there is stomach acid which kills the harmful micro-organisms that may be in the food. The stomach has some special features that break down the food into molecules which can then be absorbed in the small intestine.
Next the food goes into the small intestine. The food is digested more into simple molecules and is also put into the blood. any undigested food is squeezed into the LARGE INTESTINE!!!
FINALLY, THE DELICIOUS (NOT ANYMORE) CHEESE SANDWICH CAN COME OUT ( I WONT SAY HOW, BUT YOU KNOW). And this is THE JOURNEY OF A CHEESE SANDWICH!!!!!!!!!
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