CST Exam Review Question no. 539 November 4, 2017 By Rana Waqar Leave a Comment The principal vein draining blood from the upper portion of the body that empties into the right atrium of the heart is called the: a. inferior vena cava b. superior vena cava c. saphenous vein d. renal vein Δ For More questions please join Our facebook group: https://www.facebook.com/groups/1424167527615419/?ref=group_browse_new
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