Diastolic Pressure: Diastolic pressure is the denominator part of the blood pressure that arises in arteries between the resting period of the beats.Systolic Pressure: Systolic pressure is the numerator part of the blood pressure or medically speaking it is the pressure that is produced when the heart pushes out blood from arteries to the full body.It is measured in millimetre of mercury and has two parts.
The pressure exerted by the blood on the walls of the artery is termed as blood pressure.
