1. The aorta originates from the _______ of the heart.   left ventricle   right ventricle   left auricle   right auricle   Hint Half-n-half Clue   2. 'Systolic pressure' is the term that indicates the lower limit of blood pressure.   True   False   3. Blood aids in regulating the body temperature.   True   False   4. The coronary arteries originate from the base of the aorta.   True   False   5. The spleen is located behind the stomach.   True   False   6. Blood pressure is exerted by the blood flowing through the veins on the walls of the veins.   True   False   7. The spleen is a lymphatic organ.   True   False