1 Electromagnetic coil, formed when a conductor is wound around a core or form to create an inductor or electromagnet.  Ignition coil, an electromagnetic induction coil used in internal combustion engines to create a pulse of high voltage for a spark plug.
systemic circulation the general circulation, carrying oxygenated blood from the left ventricle to the body tissues, and returning venous blood to the right atrium. umbilical circulation fetal circulation through the umbilical vessels. vitelline circulation the circulation through the blood vessels of the yolk sac.
From http://en.wikipedia.org/wiki/Umbilical_a... Umbilical arteries carry deoxygenated blood from the fetus to the placenta in the umbilical cord [2] The pulmonary artery, which takes deoxygenated blood from the right heart to the lungs to be oxygenated.From http://en.wikipedia.org/wiki/Pulmonary_a...The pulmonary arteries carry blood from the heart to the lungs.They are the only arteries (other than umbilical arteries in the fetus) that carry deoxygenated blood..he pulmonary arteries carry blood from the heart to the lungs. They are the only arteries (other than umbilical arteries in the fetus) that carry deoxygenated blood..