← IP: Pathway of Blood Through the Heart Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Two Pumps The heart is actually (one, two, or three) pumps? Right Atrium Which chamber receives blood from the superior and inferior vena cavae? Left Atrium Which heart chamber receives blood from the pulmonary veins? Right Ventricle Which heart chamber pumps unoxygenated blood out the pulmonary trunk? Left ventricle Which chamber pumps oxygenated blood out the aorta to the systemic circuit?