Every morning after a vigorous workout in which he swims laps at the local YMCA,Jim feels great.His aches and pains are reduced and his mood is elevated.This is probably due to the release of _____ in the brain.
A)glutamate
B)endorphins
C)dopamine
D)acetylcholine

Question

Quizplus · Accepted Answer

Endorphins are endogenous opioid neuropeptides that are released during exercise and have been shown to reduce pain and improve mood. Therefore, the release of endorphins is likely contributing to Jim's reduced aches and pains and elevated mood after his workout. Glutamate, dopamine, and acetylcholine are also neurotransmitters, but are not specifically related to the effects of exercise on pain and mood.

Every Morning After a Vigorous Workout in Which He Swims