Ileum - the last portion of the small intestine that connects to the large intestine. Immune System - the body's natural defense system that fights against disease. Inflammation - a response to tissue injury that causes redness, swelling, and pain. Jejunum - the middle portion of the small intestine. Large Intestine - also known as the colon.
Primary function is to absorb water and get rid of solid waste.
Malnutrition - condition that occurs when the body does not have enough calories, vitamins, and minerals to maintain growth and health. Proctitis - inflammation of the rectum. Rectum - lowest portion of the colon. Small Intestine - Connects to the stomach and large intestine. Stricture - closure or obstruction of the intestine.