The BIG MAC is placed in the mouth. The bread is mainly starch, the special sauce is mainly fat, lettuce, pickles, and onions are niacin. The beef patties are protein,and cheeseis a form of calcium, fat, and protein. The piece of the BIG MAC is placed in the mouth and chewed, the starch is being digested by saliva. The starch becomes a kind of sugar which is used as a nourishment for the cells. …showed first 75 words of 333 total…

…showed last 75 words of 333 total…food is absorbed through the villi, and passes into capillaries that are inside the villi. Now the food is in the bloodstream. Not all parts of the BIG MAC can be digested.Those parts which are indigestible pass through the large intestine to its lower part, called the rectum. Eventually, the indigestible food is eliminated from the rectum through the anus. This is the complete teck that the BIG MAC follows when it is eaten.