Examlex
Which of the following nations are NOT part of the European Union?
Electrocardiogram
A test that records the electrical activity of the heart over a period of time, used to detect heart abnormalities.
Electrical Impulses
Quick bursts of electricity generated by neurons to transmit signals within the body.
Deflections
Movements or shifts off a predetermined path or direction, often used in physical and engineering contexts.
SA Node
The sinoatrial node, a natural pacemaker of the heart that controls heartbeat rhythm.
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