Bile salts give stool its characteristic brown color. If there is decreased bile flow caused by a condition affecting your gallbladder, liver, or pancreas (such as cholecystitis, gallstones, giardia, hepatitis, chronic pancreatitis, or cirrhosis), there may be a lack of bile in stool, making them pale or clay colored.
The writer uses irony in the passage with the sense of purposes to it. This purposes includes, criticizing the adults, to sympathize the children and also to create a tragic situation in the passage. Firstly, the writer uses the technique irony to criticize the adult.
Chaucer's Irony. Most of Chaucer's characters are not what they ought to be. Firstly the whole conception of the Prioress is based on irony. The description of her physical beauty and dress suggested that she is the heroine of some romance, though she is a religious figure. The irony is highlighted by the conflict between appearance and reality.