1. The coronary arteries originate from the base of the aorta.   True   False   2. Which of the following is not a function of the spleen?   Spleen produces lymphocytes.   Spleen produces blood platelets.   Spleen produces red blood corpuscles.   Spleen stores blood.   Hint Half-n-half Clue   3. Which is the largest artery in the human body?   renal artery   hepatic artery   aorta   pulmonary artery   Half-n-half Clue   4. The auricles of the heart have thicker walls than the ventricles.   True   False   5. Pericardium is the double-walled membranous covering that protects the heart.   True   False   6. A portal vein begins in the form of capillaries and ends in the form of capillaries too.   True   False   7. The aorta originates from the _______ of the heart.   left ventricle   right ventricle   right auricle   left auricle   Half-n-half Clue