what is the caecum and what is its function
Answers. Best Answer: In biology, the cecum or caecum is a pouch connected to the large intestine between the ileum and the colon. It is separated from the ileum by the ileocecal valve (ICV) or Bauhin's valve, and is considered to be the beginning of the large intestine and part of the colon.Its function is to absorb water and salts from undigested food. It has a muscular wall that can knead the contents to speed up absorption.est Answer: In biology, the cecum or caecum is a pouch connected to the large intestine between the ileum and the colon.