Examlex
Explain the Treaty of Ghent and the end of the War of 1812.
Sodium
A chemical element (Na) that is essential for life, involved in osmoregulation and nerve function.
All-Or-None Law
The principle that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. If a stimulus is above a certain threshold, a nerve or muscle fiber will fire.
Action Potential
A momentary change in electrical potential on the surface of a cell, especially a nerve or muscle cell, that occurs when it is stimulated, leading to the transmission of an electrical impulse.
Neurotransmitters
Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another, influencing a variety of physiological functions and behaviors.
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