The Nervous System, Part 3 – Synapses!: Crash Course Anatomy & Physiology #10

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We continue our tour of the nervous system by looking at synapses and the crazy stuff cocaine does to your brain.

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: https://apple.co/3d4eyZo
Download it here for Android Devices: https://bit.ly/2SrDulJ

Chapters:
Introduction: What are Synapses? 00:00
Electrical vs Chemical Synapses 1:58
How Electrical Synapses Work: Gap Junctions 2:56
How Chemical Synapses Work: Neurotransmitters 4:01
How Neurotransmitters Work 5:33
How Cocaine Works 7:44
Review 9:52
Credits 10:37

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33 Comments

  1. During this shelter-in-place thing my biopsych teacher isn't even trying but simply linking us to a bunch of crash courses. Thank you, for creating these. You're greatly appreciated by many students (and others) who have teachers that don't want to try.

  2. "fortunately, your nervous system has better text etiquette than your mom, and knows when each kind is appropriate to use and how to do it" that made me laugh out loud & "take cocaine, for example. Don't take cocaine" That got me!
    Drugs are bad mmmmmm'kay

  3. I used to hate these videos back in high school because my teacher used to show these instead of slowly introducing and teaching the topic, which made every student feel overwhelmed and stressed. Now that I’m in college, these are so great for reviewing material because they go super in-depth and explain things very well! Great work!

  4. 9:20 My professor said that you gain receptors resulting in having to have more neurotransmitters for the same effect. You say that you lose receptors and therefore have to have more neurotransmitters for the same effect. Who's wrong?

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