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.
The singular umbilical vein carries oxygenated blood from the placenta to the fetus, while two umbilical arteries return deoxygenated blood to the placenta. The three vessels coil around one another within the umbilical cord and enter the abdomen at the umbilicus.xygen and food pass from your blood supply into the placenta. From there, the umbilical cord carries the oxygen and food to your unborn baby. Waste products from the baby, such as carbon dioxide, are returned along the umbilical cord back to the placenta and then into your bloodstream. Doctor Â· 8 years ago. Thumbs up.