L1.13 Blood pressure Hydrostatic Pressure Applications At the position (height) of your heart, the blood pressure is 13,340 Pa. The average density of blood is 1060 kg/m3 ("blood is thicker than water"). 0.5 m 1.3 m (a) When you are lying horizontally what is the blood pressure in your brain and feet? Pa (b) Assume that you are standing up. Let us assume that your head is 0.5 m above your heart, and your feet are 1.3 m below the heart. What is the blood pressure in your (i) head? (ii) feet? Pa Pa