Examlex
Which of the following is NOT a function of a point-of-sale (POS) system?
AV Node
The atrioventricular node, a part of the heart's electrical system that acts as a gatekeeper, slowing the electrical current before it passes from the atria to the ventricles.
SA Node
The sinoatrial node, also known as the heart's natural pacemaker, is a cluster of cells situated in the right atrium of the heart that regulates the heart's rhythm by generating electrical impulses.
Bundle of His
A collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the atrioventricular node to the ventricles of the heart.
Electrocardiogram
A test that measures the electrical activity of the heart to detect heart problems and monitor heart health.
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