2015-03-02

[public] 5.22M views, 84.7K likes, 832 dislikes audio only

CrashCourse

What do you and a sack of batteries have in common? Today, Hank explains.

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Chapters:

Introduction: What do Neurons Do? 00:00

Your Body is a Sack of Batteries 1:18

How Electricity Works Inside Your Nervous System 3:18

Sodium-Potassium Pump 4:04

Types of Ion Channels: Voltage-Gated, Ligand-Gated, and Mechanically-Gated 4:51

Graded Potential vs. Action Potential 5:45

Depolarization 6:19

Repolarization 7:35

Hyperpolarization 8:00

Refractory Period 8:14

Review 10:06

Credits 10:29

Crash Course Kids Preview! 10:39

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