Sympathetic Nervous System 
Sympathetic Nervous System
by Crash Course
Video Lecture 14 of 47
Not yet rated
Views: 532
Date Added: August 11, 2016

Lecture Description

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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Table of Contents
Sympathetic Nervous System Controls the Body's Stress Response 0:26
How Signals Travel to Effectors 1:48
Acetylcholine in the Ganglion 3:55
Norepinephrine at the Effector 4:42
Norepinephrine and Epinephrine Are Secreted as Hormones 5:35
Alpha Receptors Cause Smooth Muscles to Constrict 7:14
Beta Receptors Cause Smooth Muscles to Relax 7:27


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Course Index

Course Description

In this Crash Course series, Hank Green teaches most of what you should know about anatomy and physiology, perfect for a freshman-level biology course, or just your own curiosity about the human body.

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