The Large Intestine Concentrates Undigested Material by

The large intestine concentrates undigested material by

A) squeezing excess salts and water from the undigested material via contraction of muscles in the intestine wall.
B) absorption of salts and water across the epithelial surface of the lumen.
C) ingestion of excess salts and water by intestinal bacteria.
D) storing excess salts and water in the cecum.
E) transporting excess salts and water back to the small intestine for absorption.