Answer:
The correct answer is: a. Dopamine.
Explanation:
Dopamine is a neurotransmitter that plays and important role in the individuals feelings of pleasure, focus, finding acitivities interesting and rewarding.
Dopamine is related to individuals experiencing feelings of intense joy, happiness and euphoria.
Some people experience dopamine "rushes" when they are doing acitivities they enjoy such as working out intensely.
In this particular case, Jamie goes to the gym every morning. After each session on the treadmill he feels a sense of euphoria, the neurotransmitter most likely responsible for Jamies' feeling of pleasure is a. Dopamine.
