1. The aorta originates from the _______ of the heart.   right ventricle   left auricle   right auricle   left ventricle   Hint Half-n-half Clue   2. Which of the following is not a function of the spleen?   Spleen produces red blood corpuscles.   Spleen produces lymphocytes.   Spleen stores blood.   Spleen produces blood platelets.   Half-n-half Clue   3. The spleen is a lymphatic organ.   True   False   4. The spleen is located behind the stomach.   True   False   5. Blood pressure is exerted by the blood flowing through the veins on the walls of the veins.   True   False   6. Blood aids in regulating the body temperature.   True   False   7. A portal vein begins in the form of capillaries and ends in the form of capillaries too.   True   False