Examlex
The homeostatic theory of sleep regulation holds that the purpose of sleep is to provide for rest and recovery of the body.
SA Node
Sinoatrial Node, the natural pacemaker of the heart located in the right atrium, responsible for initiating the heart's electrical impulses.
Pacemaker
An electronic device implanted in the body to regulate the heartbeat, used primarily in conditions where the heart's rhythm is abnormally slow.
Cardiac Conduction
The system of electrical signals that initiate and regulate the heart's rhythm and beat.
Oxygenated Blood
Blood that has been enriched with oxygen in the lungs and is then transported by the arterial system to oxygenate the body's tissue.
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