Examlex
For security reasons, you should be extremely wary of opening e-mail ________ such as Word files.
Threshold
The point of intensity at which a stimulus begins to produce a sensation or elicit a response, marking the limit between the absence and the beginning of a perception.
Membrane Potential
The difference in electric potential between the interior and the exterior of a biological cell.
Action Potential
A rapid change in electrical potential across a cell's membrane that occurs when a neuron sends information down an axon.
Synapse
The junction between two neurons or a neuron and a muscle or gland cell, where electrical or chemical signals are transmitted.
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