Sympathetic Nervous System: Crash Course Anatomy & Physiology #14

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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