Blood Pressure
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The force that the blood exerts on the walls of the arteries
Real World Example
Imagine trying to blow up a balloon, feeling the resistance as the air you push in stretches the balloon's surface. This is similar to how blood flows through your arteries, exerting force against their walls. Just as the air pressure determines how much the balloon expands, blood pressure indicates how much force the blood imparts on the arterial walls, with both relying on pressure to maintain structure and function.
Practice Version
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