Multiple Choice
After four hours of running in a marathon, Hyacinth was completely exhausted and every muscle in her legs ached.She didn't think she could continue, but then she felt a sudden rush of relief as all her muscle aches seemed to disappear.This "runner's high" that Hyacinth experienced was most likely the result of her brain triggering the release of:
A) dopamine
B) endorphins
C) GABA
D) acetylcholine
Correct Answer:

Verified
Correct Answer:
Verified
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