2015-04-13

[public] 1.82M views, 29.4K likes, 288 dislikes audio only

CrashCourse

Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system.

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Chapters:

Introduction: Physiology of Stress 00:00

How Signals Travel to Effectors 1:48

Hormones & Neurotransmitters Communicate Stress 2:15

Preganglionic Fibers Release Acetylcholine (ACh) 3:42

Postganglionic Fibers Release Norepinephrine 4:34

Adrenal Glands Release Norepinephrine and Epinephrine as Hormones 5:10

Neurotransmitters vs. Hormones 6:01

How Norepinephrine Works: Alpha and Beta Receptors 6:29

Review 9:29

Credits 10:18

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