Dominic is a marathon runner. he admits that whenever he runs, he feels euphoric. he cannot begin his day without running for an hour. in the context of neurotransmitters, which of the following is most likely responsible for his feelings of pleasure from running? a. the extended "high" from gaba reuptakeb. the compensatory effects of acetylcholinec. the release of endorphinsd. the action of serotonin depletion during physical exertion

c. The release of endorphins

Explanation:

Endorphins are the chemicals that are produced by the nervous system to cope up with the problem of stress and pain. These are called as the feel good chemicals. As they are responsible for reliving pain and boosting happiness. Their function is as similar as that of the opioids. Like opioids they are responsible for producing a euphoric effect.  

The release of endorphins is the correct option this is because neurotransmiiters can release endorphins which can give a feeling of pleasure while running and also a euphoric effect.