1. The left auricle of the heart receives _______ blood from the lungs.   oxygenated   deoxygenated   2. Which fluid fills up the space between all human body cells?   extercellular fluid   intercellular fluid   extracellular fluid   intracellular fluid   Hint Half-n-half Clue   3. During the ventricular systole, the blood enters the ventricles.   True   False   4. The _______ of the heart pumps the blood up to the lungs only.   left auricle   left ventricle   right ventricle   right auricle   Half-n-half Clue   5. The inferior vena cava carries blood from the upper parts of the body to the heart.   True   False   6. During the ventricular systole, the semilunar valves are closed.   True   False   7. When the auricles of the heart contract, the ventricles relax, and vice versa.   True   False