1. During the ventricular systole, the semilunar valves are closed.   True   False   2. The _______ of the heart pumps the blood up to the lungs only.   left auricle   right auricle   left ventricle   right ventricle   Hint Half-n-half Clue   3. In a normal adult, the red blood corpuscles are produced in the liver.   True   False   4. The left auricle of the heart receives _______ blood from the lungs.   oxygenated   deoxygenated   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. The inferior vena cava carries blood from the upper parts of the body to the heart.   True   False   7. During the atrial systole, the atrial muscles _______.   contract   relax