Blockage of the bile duct by a cancer, gallstones, or scarring from injury prevents the bile from being transported to the intestine and the active ingredient in the bile (bilirubin) instead accumulates in the blood.
High-density polyethylene (HDPE) is one of the most commonly used plastics in the United States. Labeled as #2 plastic, it is typically found in milk jugs, plastic bags and refillable plastic bottles.igh-density polyethylene (HDPE) is one of the most commonly used plastics in the United States. Labeled as #2 plastic, it is typically found in milk jugs, plastic bags and refillable plastic bottles.
Polyethylene (abbreviated PE) or polyethene (IUPAC name polyethene or poly(methylene)) is the most common plastic. The annual global production is approximately 80 million tonnes.any kinds of polyethylene are known, with most having the chemical formula (C 2 H 4) n. Thus PE is usually a mixture of similar organic compounds that differ in terms of the value of n.