Fecal mass is mainly derived from:
Ans. (a) Undigested foodRef: Ganong 25th ed. / 502* Fecal mass is derived from undigested food.* Feces are the particles of waste matter that is left over after the body has processed and absorbed nourishment from the foods we eat.* It contains water, dietary fiber, inorganic salts, dead cells, bacteria, and anything the body cannot or will not absorb.
Undigested food
Digested food
Intestinal secretion
Intestinal absorption
Digestion and Absorption