The back flow of faecal matter from the large intestine into the small intestine is prevented by the presence of

Options

A. epiglottis
B. sphincter of Oddi closes the hepato-pancreatic duct
C. ileo-caecal valve
D. gastro-oesophageal sphincter.

Answer

C

Explanation

Lleo-caecal valve is present at the junction of small intestine and large intestine. The ileo-caecal valve normally remains closed, opens briefly to let the contents of small intestine exit and closes again to prevent any backflow of waste materials from the large intestine into small intestine.