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24 juillet 2023 - 14:12
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The Nervous System, Part 2 - Action! Potential!: Crash Course Anatomy & Physiology #9
What do you and a sack of batteries have in common? Today, Hank explains.
Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!
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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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