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.
IRONY WORKSHEET. Irony: In general, it is the difference between the way something appears and what is actually true. The Fish. I caught a tremendous fish and held him beside the boat half out of water, with my hook fast in a corner of his mouth. He didn't fight. He hadn't fought at all. He hung a grunting weight, battered and venerable and homely.