The digestive system includes the mouth, salivary glands, liver, gallbladder, appendix of the esophagus, stomach, pancreas, large intestine, and small intestine . The mouth starts the digestive system by breaking down food. The throat swallows food. Salivary glands keep the mouth and digestive system moist because the saliva lining mixes with food to help break down food and make it easier for the stomach to process it. The esophagus carries food to the stomach at the back of the trachea and to the heart and front of the spine. The stomach plays a very important role for the digestive system: it stores energy in the body and is located in the upper left quadrant. The liver filters blood for distribution to the body and is located in the upper right quadrant. The liver contains hepatocytes, bile canaliculi, and hepatic sinusoids. The gallbladder stores concentrated bile for the digestion of fats and is located in the upper right quadrant, posterior to the liver. The pancreas produces insulin and endocrine functions and is located just behind the stomach in the upper left quadrant. The large intestine absorbs water and vitamins and stores waste. The small intestine completes digestion and absorbs nutrients. The appendix contains the cells of the immune system. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an original essay According to Niddk "the digestive system breaks down nutrients into small parts, so that the body can absorb and use for energy growth and cell repair" Eating Disorder is a bad eating habit, such as eating too little or too much. Like anorexia, bulimia and binge eating. All of these eating disorders have similar signs and symptoms and are caused by the digestive system. This disease can harm any person of any age and gender. According to Kramer, the symptoms of eating disorders are: stomach pain, dizziness, fainting, tooth decay, weight gain and internal bleeding. A person with an eating disorder may worry about their body image and body weight. They may distract themselves from eating by chewing gum and eating ice cubes instead of food. A woman may have an irregular menstrual cycle, such as missing a month or having it for a day or two, with the possibility of her period coming late or early. How does the disease cause its damage? Immunity, fight or cure of diseases. Maria del Rosario, a 21-year-old woman, is recovering from anorexia and an eating disorder. Maria said her anorexia phase began during her senior year of high school. She was bullied by her peers because of her weight. “I always came home straight to my room crying under the covers every single day. I just wanted to be skinny like my favorite model. I tried a unique diet and exercise” Maria was so desperate to lose weight that she started to damage her body “I discovered a method to lose weight very quickly which involved not eating for days afterwards, drinking only water, she told her friend, "her parents later discovered that their daughter was acting really strange when they saw her not eating in the house. Keep in mind: this is just an example. Get a custom paper from our expert writers now. Get an essay personalizedSo when she got home, she I was surprised to find out that her father had left work early to eat with them. “My parents made me eat in front of them and I told them that I would eat little because she had already eaten something. While I was eating I felt disgusted, but I could leave the table until everyone had finished.