Examlex
The singularity of a black hole has an infinitely small radius, but its event horizon is finite.
All-or-none
A principle that states certain processes, like nerve impulse conduction, occur fully or not at all.
Action Potential
A temporary reversal of the electrical polarization of the membrane of a nerve cell, allowing it to transmit an impulse.
Synaptic Gap
The tiny space between neurons through which neurotransmitters move to carry signals from one neuron to the next.
Chemical Diffusion
The process by which molecules move from an area of higher concentration to one of lower concentration, driven by random particle movements.
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