What chemical messenger does the sympathetic nervous system release
Chapter 1

The hidden network running your body

Chapter 2

When the autopilot goes haywire

Chapter 3

The gut, the sweat, and the hidden symptoms

Chapter 4

Navigating the road to recovery

YOUR GOAL

Master of When your body's autopilot goes haywire

Ch 1 · The hidden network running your body
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doctorx Human blood vessels constantly fight gravity to keep blood flowing upward

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doctorx The Autonomic Nervous System

Beating your heart, flow of your blood, the autopilot misfires.

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Staying balanced requires constant, invisible adjustments.

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doctorx The autonomic nervous system controls your involuntary body functions.

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The power of the vagus nerve

doctorx Running from the brainstem to the abdomen, the vagus nerve is the longest cranial nerve and the primary pathway for relaxation.

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Fight or flight versus rest and digest

doctorx An educational chart details how dysautonomia affects heartbeat, blood pressure, and digestion.

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My Dizzy Autopilot
BETA

doctorx Adjust the body's autopilot dials to learn how dysautonomia affects heartbeat and blood pressure.

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Fun Fact

Vagus nerve origin: The vagus nerve gets its name from the Latin word for wandering, because it winds all the way from the brainstem to the colon.

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Glossary
autonomic nervous system (noun)
The part of the nervous system responsible for controlling involuntary bodily functions, such as heartbeat and digestion. Cambridge physiologist John Newport Langley coined this term in 1898 to describe involuntary neural pathways.

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Gossip

Which automatic body power would you want to manually boost?

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Quiz

What does the auto in autonomic nervous system stand for in terms of function?

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Quiz

What is the name of the longest cranial nerve that controls the rest and digest response?

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Quiz

What happens to blood vessels when baroreceptors detect a drop in blood pressure?

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Quiz

What chemical messenger does the sympathetic nervous system release to speed up the heart?

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Quiz

Which part of the brain serves as the main control center for the autonomic nervous system?

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Quiz

Where are the baroreceptors that detect changes in blood pressure primarily located?

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Quiz

Approximately how much blood pools in the lower body when a human stand up?

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Quiz

Which branch of the nervous system prepares the body for fight or flight?

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