The back flow of faecal matter from the large intestine into the small intestine is prevented by the presence of
Epiglottis
Sphincter of Oddi
Ileo-caecal valve
Gastro-oesophageal sphincter
Functions Of Large Intestine -
The undigested, unabsorbed substances called faeces enters into the caecum of the large intestine through ileo-caecal valve, which prevents the back flow of the faecal matter.
- wherein
It is temporarily stored in the rectum till defaecation