Action Potentials and Voltage-Gated Channels EXPLAINED! | Physiology 🐧
#actionpotential #nervoussystem #physiology
The action potential is the fundamental unit of nervous system function. Gates are opening and closing. Ions are moving in and out. Memorize and regurgitate. Is there a better way? YES!!! The Penguin Prof way!
The KEY to understanding the action potential is an understanding of those voltage-gated channels... and despite how complex they are, their function is really easy to understand. You'll see! Let me show you.
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Video Chapters:
Intro: 0:00
Neuron function overview: 0:13
The language of the nervous system: 0:38
Setting the scene: ECF, ICF, membrane voltage: 0:48
The magic of voltage-gated channels: 1:39
Voltage-gated Na+ channel: 1:49
Voltage-gated K+ channel: 4:26
Put it all together: the action potential: 5:12
Outro: 6:17
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