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Action Potentials

Horizontales
The term is used when describing how an action potential is either going to be triggered to fire or not.
The absolute ___ period happens during repolarization when sodium channels are inactivated as well as keeping action potentials moving in one direction.
The first species used to discover the body can carry electrical impulses.
The term used to describe the point at which depolarization creates an action potential.
During this time the cell becomes more negatively charged while letting K+ ions exit the neuron.
The opening of channels that allow Na+ into the negatively charged cell.
Verticales
During this time sodium channels close while potassium channels open.
This happens when depolarization crosses a threshold value of -55mV.
The neuron has a average ___ potential of -70mV.
The cell responsible for action potentials.