What measures the push of blood against the blood vessels?
Blood Pressure
The push of blood against the blood vessels is measured by blood pressure. Blood pressure is the force that the blood exerts on the walls of the blood vessels as it flows through them. The pressure is highest in the arteries, which carry oxygenated blood from the heart to the rest of the body, and it progressively decreases as the blood flows through the smaller arteries, arterioles, and finally, the capillaries. Blood pressure is continuously regulated by a complex system involving the heart, blood vessels, kidneys, and several hormones. High blood pressure (hypertension) can damage the blood vessels and lead to various health problems, while low blood pressure (hypotension) can cause dizziness, fainting, and other symptoms.
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