
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
- Introduction to Anatomy & Physiology
- Tissues, Part 1
- Tissues, Part 2 - Epithelial Tissue
- Tissues, Part 3 - Connective Tissues
- Tissues, Part 4 - Types of Connective Tissues
- The Integumentary System, Part 1: Skin Deep
- The Integumentary System, Part 2: Skin Deeper
- The Nervous System, Part 1
- The Nervous System, Part 2: Action! Potential!
- The Nervous System, Part 3: Synapses!
- Central Nervous System
- Peripheral Nervous System
- Autonomic Nervous System
- Sympathetic Nervous System
- Parasympathetic Nervous System
- Taste & Smell
- Hearing & Balance
- Vision
- The Skeletal System
- Joints
- Muscles, Part 1 - Muscle Cells
- Muscles, Part 2 - Organismal Level
- Endocrine System, Part 1 - Glands & Hormones
- Endocrine System, Part 2 - Hormone Cascades
- The Heart, Part 1 - Under Pressure
- The Heart, Part 2 - Heart Throbs
- Blood Vessels, Part 1 - Form and Function
- Blood Vessels, Part 2
- Blood, Part 1 - True Blood
- Blood, Part 2 - There Will Be Blood
- Respiratory System, Part 1
- Respiratory System, Part 2
- Digestive System, Part 1
- Digestive System, Part 2
- Digestive System, Part 3
- Metabolism & Nutrition, Part 1
- Metabolism & Nutrition, Part 2
- Urinary System, Part 1
- Urinary System, Part 2
- Reproductive System, Part 1: Female Reproductive System
- Reproductive System, Part 2: Male Reproductive System
- Reproductive System, Part 3: Sex & Fertilization
- Reproductive System, Part 4: Pregnancy & Development
- Lymphatic System
- Immune System, Part 1
- Immune System, Part 2
- Immune System, Part 3
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.