NARRATORWell I hope you're feeling gutsy right now because you are about to go on an incredible and disgusting journey right through the digestive system of ... you swallow food, the oesophagus ...

It follows the journey of food from the mouth, where it is chewed and mixed with saliva, through the esophagus to the stomach, where gastric juices further digest it.

The digestive system is made up of key parts, each of which has a different function. Food passes through most of these parts in a journey from the mouth to the anus. Stomach This is a muscular ...