1. The inferior vena cava carries blood from the upper parts of the body to the heart.   True   False   2. During the ventricular systole, the semilunar valves are closed.   True   False   3. Which fluid fills up the space between all human body cells?   extercellular fluid   intracellular fluid   intercellular fluid   extracellular fluid   Hint Half-n-half Clue   4. In a normal adult, the red blood corpuscles are produced in the liver.   True   False   5. During the ventricular systole, the blood enters the ventricles.   True   False   6. During the atrial systole, the atrial muscles _______.   contract   relax   7. With reference to the heartbeat, the word 'systole' refers to a relaxation phase whereas the word 'diastole' refers to a contraction phase.   True   False