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 artery connects the lungs and the right ventricle of heart and is divided into left pulmonary artery and right pulmonary artery. The deoxygenated blood collected from the body is sent back to the heartâs right ventricle.