Blood (assume u 4.5 x 105 lb. s/ft? , sg =1.0) flows through to its head at a rate of 2.5 x 104 ft/s. assume the artery length is 10 ft and the artery diameter is 0.20 in. if the pressure at the beginning of the artery (outlet of the heart) is equivalent to 0.70 ft hg (phg 26.3 slug/ft'), determine the pressure at the end of the artery when the head is 8 ft above the heart. an artery in the neck of a giraffe from its heart