The body's electrical highway
Chapter 1
How nerves send lightning messages
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Chapter 2
Inside the brain's command center
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Chapter 3
The body's automatic survival systems
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Chapter 4
The brain's incredible shape-shifting power
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YOUR GOAL
Master of The body's electrical highway
Ch 3 · The body's automatic survival systems
Fun Fact
Blushing reflex: Blushing is controlled by your sympathetic nervous system, and the lining of your stomach also turns red when you blush!
Glossary
autonomic nervous system (noun)
The part of the nervous system that regulates involuntary bodily functions, such as heartbeat and digestion. British physiologist John Newport Langley coined the term in 1898 to describe these involuntary neural pathways.
The part of the nervous system that regulates involuntary bodily functions, such as heartbeat and digestion. British physiologist John Newport Langley coined the term in 1898 to describe these involuntary neural pathways.
Quiz
What is the scientific term for the stable internal environment your autonomic system maintains?
Quiz
Which nervous system branch operates your body's "autopilot" functions like digestion?