Faecal mass is mainly derived from: March 2005
Ans. A: Undigested foodFaeces normally are about 3/4th water and 1/4th solid waste.Solid water is composed of:About 30% dead bacteria30% undigested roughage from the food and dried constituents of digestive juices.10-20% fat10-20% inorganic matter2-3% protein
Undigested food
Digested food
Intestinal secretions
intestinal flora