Although there are many ingredients used to make glue, most formulas contain something called polymers. A polymer is a large molecule that often is described as being a long molecular strand, much like spaghetti.
The pulmonary artery carries deoxygenated blood from the heart to the lungs. It is one of the only arteries (other than the umbilical arteries in the fetus) that carries deoxygenated blood.
The pulmonary arteries carry blood from the heart to the lungs, to drop off carbon dioxide and pick up oxygen. There are two pulmonary arteries, one going to the left lung and one to the right. Knowledge provided by me-I'm a Paramedic. The pulmonary artery carries deoxygenated blood from the heart to the lungs.