Blood pressure is the force exerted by circulating blood against the walls of blood vessels, primarily arteries. It is measured in millimeters of Mercury (mmHg) and is expressed with two numbers: systolic pressure (the pressure during heartbeats) over diastolic pressure (the pressure when the heart is at rest between beats). Normal blood pressure is typically around 120/80 mmHg, and abnormal levels can indicate health issues such as hypertension or hypotension. Regular monitoring is important for maintaining cardiovascular health.
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