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 aorta and the pulmonary artery are the two most important arteries in the human body. The aorta is the biggest artery and channels oxygenated blood to the rest of the body. The pulmonary artery carries deoxygenated blood to the lungs for purification.he aorta supplies oxygenated blood from the heart's pumping chamber to the rest of the body. Pulmonary artery carries deoxygenated or unaerated blood from the heart to the lungs.Like all arteries, the pulmonary artery carries blood away from the heart.