→ shorter but much broader than small intestine. Small intestine → opens into large intestine in the right side of the abdominal cavity about 1.5m long and consists of colon, rectum (short muscular tub) and anus
Feces (undigested matter) → stored temporarily in rectum When rectum contracts → feces are expelled thru anus. Main function of colon → absorb about 90% of remaining water and mineral salts from undigested food material.