Question

Blood pressure is commonly measured with a cuff placed around the arm, with the pressure indicated using a mercury manometer. A typical value for the maximum value of blood pressure (systolic pressure) is 120 mm Hg. Why wouldnt it be simpler and cheaper to use water in the manometer rather than mercury? Explain and support your answer with the necessary calculations. (Specific gravity of mercury = 13.57) I. (30 pts)
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