Blood pressure is the force of blood exerting against the walls of arteries as it is pumped by the heart through out the body. Therefore, hypertension occurs when the blood is pushes harder against the arterial wall.
It is called the “SILENT KILLER" because it shows no signs and symptoms that is why it is important to check blood pressure regularly.
A blood pressure reading has a top number (systolic) which is the pressure in the arteries as heart contacts and bottom number (diastolic) is the pressure when the heart is relaxed between beats . The normal blood pressure