Question

the variation of pressure ​

Answer 1

Answer:

Pressure variation refers to the variance in pressure between the two positions of the fluid flowing in the particular channel. ... The variation of pressure is independent of total mass or total volume of the fluid. Manometers are normally used to find the pressure variation of the fluid by height of the liquid column.

Answer 2

Answer:

Explanation:

The desired rate of blood pressure is 120/80 mm Hg. The condition in which the blood pressure increases above the normal rate is called hypertension.

Reason:

Excess use of salt and fat, smoking and lack of exercise .

The condition in which the blood pressure rate goes below the prescribed rate is called hypotension . Both hypertension and hypotension are disease conditions.