What do you mean by the statement that the blood pressure of a
person is 120/80mm of Hg ?

number higher than 120/80  Hg are a red flag  that you need to take on heart -healthy habits.when your systolic pressure is between 120 and 129 mm Hg and your diastolic  pressure  is less than 80 mm Hg it means you have  elevated blood pressure.

Explanation:

answer; i believe the answer is hydraulic action;