What is the function of colon in human body?explain in brief.
The main functions of colon in the human body are: 1. Maintaining of fluid balance of the body by absorbing and/or secreting water. 2. Absorbs vitamins: K, B12, thiamine, riboflavin. 3. It stores fecal masses and prepares them for elimination. 4. Secretes K+ and CI- ions. 5. Colon has its own microbiota which helps to break down the fiber and secretes vitamin K.