Question

define blood pressure

Answer 1

(i) During the flow of blood ,it exerts a pressure on the walls of blood vessels ,this pressure is known as blood pressure.
(ii) It is measured by a device called sphygmanometre .
(iii) Normal B.P of an adult person is 120÷80 mm hg.

Answer 2

the circulation of blood exerts a pressure on the walls of the blood vessels .this pressure is known as bloodpressure .what the doctor measures is arterial pressure,

all the pressure of Blood on the walls of the arteries .