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Once once again we possess been miniaturized in the submarine to continue the amazing journey of the digestive program. We will end up being traveling a 55-year-old man. The host shall be having a hamburger, French fries, and a root beer. We shall become doing a trace for lunch time through the digestive function procedure. Digestion is the process of turning the food that is ate into energy needed to survive and involves creating waste to be eliminated. (Mohan, 2010). The digestive tract can be a lengthy turning pipe that begins at the mouth area and ends at the anus, known as the alimentary channel. The wall structure of this pipe is certainly designed of four levels of cells. The levels are outlined from the inside layer to the outdoors layer: mucosa or mucus membrane layer, submucosa, muscularis, and serosa. The empty space within the digestive pipe is certainly known as the lumen. (Thibodeau they are the parotids, submandibular, and sublingualвЂ™beds. (Thibodeau & Patton, 2008). The saliva boosts when you in fact flavor the meals. Once you start chewing and breaking the food down more saliva is produced to start the process of breaking down food into a form your body can absorb and use. Foods go through three types of refinement in the body: digestive function, absorption, and fat burning capacity. (Mohan, 2010). Our 1st end past the...