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Worms can spread quickly through the Internet.
SA Node
The sinoatrial node, often called the SA Node, acts as the natural pacemaker of the heart, initiating the heart's electrical impulse.
Sphygmomanometer
A device used to measure blood pressure by applying pressure to an artery and gradually releasing it.
Blood Pressure
The force exerted by circulating blood on the walls of the body's arteries, a critical indicator of cardiovascular health.
Plethysmograph
An instrument used for measuring changes in volume within an organ or whole body (often through blood flow).
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