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- Eng 26 -
The heart is a pump that circulates blood
throughout your body. Blood is pumped from the heart at a constant pressure into
arteries. This pressure is called the arterial blood pressure, which represents, in general,
blood pressure. Blood pressure is indicated by several kinds of pressures such as:
systolic pressure that occurs when the heart pumps blood; and diastolic pressure that
occurs just when blood returns to the heart.
Blood pressure differs with age,
gender and other factors. Blood pressure of one person is likely to be affected by biorhythm
of a day, posture, physical activities, mental activities, stress and atmospheric temperatures.
It is said that blood pressure of a healthy person varies by 20 to 50 mmHg within a day.
Blood pressure value (mmHg)
Time of day
Systolic blood pressure
Diastolic blood pressure
What is blood pressure?
Blood pressure changes at all times.
(Systolic)
(Diastolic)
Artery
Artery
Left atrium
Left
ventricle
Left atrium
Left
ventricle
Dilation
Contraction
The artery wall expands.
Normal state is restored
to the artery wall.
ABOUT "BLOOD PRESSURE"