Is a neurotransmitter with roles in pleasure and pain modulation.

(Beta)-endorphin is a neurotransmitter with roles in pleasure and pain modulation.
Endorphin is responsible for regulating our pleasure and our pain - when it comes to pleasure, the more endorphin is activated, the more pleasure we will feel. When it comes to pain, endorphin is there to regulate it in such a way that we feel less of it.

Your answer will be b action plan.

The answer is a. i hope this