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Autonomic Nervous System: Crash Course A&P #13

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 Anatomy   |   Health   |   Science
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Description

Hank takes you on a tour of your two-part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical differences - where nerve fibers originate and where their ganglia are located - drive their distinct anatomical functions, making your sympathetic nervous system the "fight or flight" while your parasympathetic nervous system is for "resting and digesting."

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Table of Contents
The Basic Two-Part System of the Autonomic Nervous System 0:48
Sympathetic Nervous System 2:33
Parasympathetic Nervous System 2:54
Their Nerve Fibers Originate in Different Parts of the Body 3:22
Sympathetic Ganglia Are Close to the Spinal Cord 4:36
Parasympathetic Ganglia Are Close to Their Effectors 4:59


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Crash Course is now on Patreon! You can support us directly (and, for the next month, have your contributions matched by Patreon!) by signing up at http://www.patreon.com/crashcourse

Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Mark Brouwer, Simun Niclasen, Brad Wardell, Roger C. Rocha, Jan Schmid, Elliot Beter, Nevin Spoljaric, Sandra Aft, SR Foxley, Jessica Simmons, Stefan R. Finnerup, Jason A Saslow, Robert Kunz, Jessica Wode, Mike Drew, Steve Marshall, Anna-Ester Volozh, Christian Ludvigsen, Jeffrey Thompson, James Craver


***SUBBABLE MESSAGES***

TO: SEM Students
FROM: Mrs. S

You are confident and courageous! I believe in you! DFTBA!

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TO: Zachary
FROM: She who gave you life!

You, like the Mongols, will always be the exception.

***EPISODE CO-SPONSORS***

Link
Kelly Naylor - http://www.aertenart.com
Tim Webster
Steven Meekel

***SUPPORTER THANK YOU!***

Thank you so much to all of our awesome supporters for their contributions to help make Crash Course possible and freely available for everyone forever:

Caitlin Steinert, BryanGriffith.com, Maia McGuire, That one guy from Midland who teaches science at highschool, Michael Longwell, Justice H, Martha (splicegrrl), Casey Rule, Manuel Kovats, and @simplscientist

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