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The stomach is the primary organ that breaks down food as it enters the digestive system. This organ receives food from the esophagus and eventually directs the partially digested food into the small intestine. It also helps kill harmful bacteria.


Encyclopaedia Britannica explains that most of the water that a person drinks is absorbed in the intestines; however, many sources disagree about which part of the intestines is most responsible for water absorption. Two different parts of the small intestine are important for absorbing water althou


To prevent digestive system diseases, individuals should make lifestyle and dietary changes such as refraining from smoking and alcohol use, minimizing intake of high-fat and acidic foods, eating more fiber, and increasing exercise and physical activity, Florida Hospital recommends. Individuals shou


The three main functions of the human digestive system are to break food down into chyme for the body's use, to secrete and absorb nutrients and bodily fluids into the gastrointestinal tract or the blood, and to store and eliminate waste. The digestive system has major parts and accessory parts.


The large intestine absorbs the water left in any undigested food matter and passes unused waste material from the body. It also absorbs important vitamins like vitamin K, B12, riboflavin, and thiamine and it houses friendly bacteria that produce other vitamins and perform other helpful functions.


Specific supplements are available for the cleansing of the digestive system from stores such as GNC. Recipes for colon cleansing shakes, such as the ones featured by "The Dr. Oz Show," are available online as well. General guidelines for cleansing your digestive system include eating lots of fiber,


The esophagus is a long, muscular tube that connects an animal’s stomach to its mouth. Distinct from the windpipe, which transports air into and out of the lungs, the esophagus usually carries food and water from the mouth to the stomach. However, during vomiting, the esophagus carries stomach acids


Mechanical digestion aids chemical digestion by breaking food into smaller pieces with a greater surface area, as well as introducing enzymes to begin the process of chemical digestion. In humans, much of mechanical digestion takes place in the mouth through chewing, during which the teeth break up


The digestive and endocrine systems work together, mostly through the pancreas, to produce and disseminate digestive enzymes. The endocrine system contains several different organs and glands, which are the hypothalamus, pituitary, parathyroids, adrenal glands, reproductive glands, thyroid and pinea


For a science project focusing on the digestive system, kids can make a model stomach and a model small intestine. They can also make a wide array of digestive components, but the stomach and small intestine are the easiest and most enjoyable for children.