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it is all yummy in your tummy...:) As the person who posted above me has stated, cheese is "yummy in your tummy." This is only semi-true. First, an enzyme in saliva called amylase digests any starch that is in the cheese, changing it into glucose, a carbohydrate (sugar). If you hold the cheese in your mouth for thirty to forty seconds or so, you will find that the cheese actually gets sweeter. This is because of the amylase turning the starch into sugar. Next, the food travels through the esophagus into the stomach. The epiglottis, a small strip of tissue, closes over the trachea, or windpipe, allowing food only to pass down into the esophagus. No digestion occurs in the esophagus. Peristalsis, the muscular movement that pushes food through the digestive tract, is the only thing that occurs there. An enzyme in digestive stomach acid called pepsin digests the protein in the cheese. The chyme, or semi-digested food, created in the stomach then moves to the small intestine. The small intestine is where the most chemical digestion occurs. This is also where most absorption of nutrients occurs. Villi, protrusions sticking out from the walls of the small intestine, allow the small intestine to have the greatest surface area possible, i.e., the most absorption in the least amount of time. The remaining chyme, a thin, watery substance, then enters the large intestine. The large intestine helps to maintain homeostasis by absorbing most of the water from the chyme. The water, absorbed into the body, helps blood to be liquid, among other things. Then, the remaining chyme, now called feces, enters the rectum, where it is stored. It is excreted out from the anus, which is another word for...well, you probably already know what it is. This is the complete "journey" *muffled laughter* that cheese, once ingested, takes through the body.

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17y ago

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