Examlex
Which of these substances is used to oxidize tough stains on fabrics?
AV Node
A part of the heart's electrical system which acts as a gateway between the atria and ventricles, ensuring the timing of heartbeats.
Electrical Impulse
A sudden surge of energy in one direction, often used in the context of neurons firing and the transmission of signals through the nervous system.
Muscle Contraction
The process of generating tension within a muscle fiber through the actin and myosin filaments sliding past each other.
Wandering Baseline
A term used in electrocardiography to indicate an inconsistent or shifting baseline on the ECG trace, which can complicate the interpretation of cardiac rhythms.
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