1. The _______ of the heart pumps the blood up to the lungs only.   left ventricle   left auricle   right ventricle   right auricle   Hint Half-n-half Clue   2. During the ventricular systole, the blood enters the ventricles.   True   False   3. The inferior vena cava carries blood from the upper parts of the body to the heart.   True   False   4. When the auricles of the heart contract, the ventricles relax, and vice versa.   True   False   5. With reference to the heartbeat, the word 'systole' refers to a relaxation phase whereas the word 'diastole' refers to a contraction phase.   True   False   6. During the ventricular systole, the semilunar valves are closed.   True   False   7. The right auricle of the heart receives oxygenated blood.   True   False