Digestive disorders

The human digestive system's overall function is to break down solid food into chemical substances that can be absorbed easily into the body. It is made up of a group of organs, with each responsible for a different part of the digestive process. The oesophagus pushes food down to the stomach by a muscular action known as peristalsis, while the stomach churns food - the first part of digestion. The small intestine is made up of the duodenum, jejunum and ileum and is a major site of digestion and absorption of food. The colon or large intestine reabsorbs water from undigested food, which ...