Examlex
When is multiple regression used?
SA Node
The sinoatrial node, often called the heart's natural pacemaker, initiates electrical impulses that set the rate and rhythm of heartbeats.
Ventricular Contractions
The tightening of the heart's ventricles, which pumps blood out of the heart and into the arteries.
P-QRS Waves
Represents the electrical activity that triggers the heartbeat, as recorded by an electrocardiogram.
Pulmonary Artery
The Pulmonary Artery carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.
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