1. Which fluid fills up the space between all human body cells?   intracellular fluid   extracellular fluid   intercellular fluid   extercellular fluid   Hint Half-n-half Clue   2. During the ventricular systole, the blood enters the ventricles.   True   False   3. Plasma is a constituent of blood.   True   False   4. The _______ of the heart pumps the blood up to the lungs only.   left ventricle   left auricle   right auricle   right ventricle   Half-n-half Clue   5. In a normal adult, the red blood corpuscles are produced in the liver.   True   False   6. The left auricle of the heart receives _______ blood from the lungs.   deoxygenated   oxygenated   7. During the atrial systole, the openings of the pulmonary vein and the vena cava are _______.   open   closed