The Nervous System, Part 2 - Action! Potential!: Crash Course Anatomy & Physiology #9

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13 Dec 2022

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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! Download it here for Apple Devices: Download it here for Android Devices: 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 Crash Course is on Patreon! You can support us directly by signing up at Want to find Crash Course elsewhere on the internet? Facebook - http://ww

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