The typical coloration of the feces is due to A) bile salts B) undigested cellulose C) aqueous NaHCO₃ secretion D) modified bilirubin E) disintegrated epithelial cells

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Quizplus · Accepted Answer

The typical brown coloration of feces is primarily due to the presence of stercobilin, which is a modified form of bilirubin. Bilirubin is a byproduct of the breakdown of hemoglobin from red blood cells, and it is processed in the liver and excreted into the intestines, where it is further modified to stercobilin.

The Typical Coloration of the Feces Is Due to