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linking to hyper- and hypotension
'''Blood pressure''' is the force of [[blood]] exerted on the inside walls of [[blood vessel]]s. Blood pressure is expressed as a ratio (e.g. 190/110) The first number is the [[systolic]] pressure, or the pressure when the heart pushed blood out into the arteries. The second number is the [[diastolic]] pressure, or the pressure when the heart rests. Diastolic pressure indicates the resistance of the blood vessels to the flow of blood.
'''Blood pressure''' is the force of [[blood]] exerted on the inside walls of [[blood vessel]]s. Blood pressure is expressed as a ratio (e.g. 190/110) The first number is the [[systolic]] pressure, or the pressure when the heart pushed blood out into the arteries. The second number is the [[diastolic]] pressure, or the pressure when the heart rests. Diastolic pressure indicates the resistance of the blood vessels to the flow of blood.
[[Hypertension]] (high blood pressure) and [[hypotension]] (low blood pressure) are abnormal medical conditions which can be hazardous to your health.
==References==
==References==