K12
When you feel nervous before a big event, your stomach churns and flips. Why does your brain trigger this physical reaction in your gut?
A
The gut has its own independent nervous system that responds to stress signals from the brain
B
Adrenaline directly contracts stomach muscles on its own without brain signals
C
The liver releases bile into the stomach during stress
D
Blood sugar drops suddenly, causing stomach muscle spasms
E
The body diverts saliva production to the stomach instead
