Here is The Hillâs look at who is most likely to claim the nomination next year. The race for the Republican presidential nomination is heating up, with the first GOP debate just three months away.
1 Circulation (journal), a journal published by the American Heart Association. 2  Library circulation, the activities around the lending of library books and other material to users of a lending library.  Magazine circulation, the average number of copies of a periodical distributed per edition/ volume.
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.