Action Potentials, the synapse, graded potentials
Ion concentrations around cells 0:15
Polarization 4:07
Voltage-gated and chemically-gated ion channels 4:40
Pre and postsynaptic neurons 6:14
Action potentials 8:05
Summary of steps in an action potential 14:25
Sodium inactivation gate and refractory periods 15:44
Saltatory conduction 19:35
The synapse 21:40
Graded potentials 23:44
Action potential-Graded potential summary chart 29:35
Link to downloadable worksheet https://dr-wendihealth.com/2020/08/24/action-potentials-synapse-graded-potentials/
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