The digestive system has two main functions; nutrients needed for humans and discarding the waste from the body. Digestion extracts the nutrients needed from the food. The nutrients are used for energy, growth and cell repair. This happens in the Upper GI (Gastrointestinal) tract; the extraction of waste happens Lower GI (Gastrointestinal) Tract. (Niddk.nih.gov, 2015; Better Health Channel A, 2015; Cleveland Clinic, 2013; Castro, 2013). The Digestive system is made up of many organs that allow it to carry out it is function.
The mouth breaks down (chewing and salvia) the food so it is able to travel through LGI, also because it helps the digestion process. When the food is being tasted the saliva increases. The tongue and soft palate pushes the broken down food in …show more content…
Endoscopes produce an image or video of the inside of a patience it is also known as endoscopy. Endoscopy are used for doctors to confirm of disease, disorder or problem that cannot be shown with other medical instrument such X-rays and CT scan shown in figure 4. The reason that endoscopy is preferred treatment when it comes to the digestive system areas, because there is no need of major surgeries to observe the inside of the patient (Medical News Today, 2014; Better Health Channel B, 2015; Webmd.com B, 2015; Johnson A, 2012). Endoscopy has help cure disease because the disorder or disease has been recognize before it becomes