The Digestive SystemHow do we get from this……to this?
The Digestive Systemoesophagus(gullet, orfood pipe)stomachsmall intestinelarge intestineanus
The Digestive SystemEach part has a different job to do:The mouth contains teeth.These chew the food andbreak it into smallerpieces.The tongue pushes food tothe back of the mouth soyou can swallow it.
The Digestive SystemThe oesophagus, or foodpipe, joins the mouth andthe stomach.Food is squeezed along thistube into the stomach.
The Digestive SystemThe stomach is a bag ofacid.The acid in the stomach,and special chemicalscalled enzymes break downthe food even more.
The Digestive SystemThe small intestine is6-7 metres long.In the small intestine,the broken down foodgets into the blood sothe body can use it.
The Digestive SystemThe large intestine isabout 1.5 metres long.In the large intestine,the body absorbs a lotof water back from thedigested food.
The Digestive SystemAt the end of thedigestive system, theleft over stuff thatthe body can’t useleaves the bodythrough the anus whenyou go to the toilet.