Parcel Select. Parcel Select is an economical choice for large or heavy packages and is the only USPS service that can be used for packages over 108 in girth. Cost is determined based on the distance, weight and dimensions of the mailpiece.
Definition of dopamine. : a monoamine C8H11NO2 that is a decarboxylated form of dopa and that occurs especially as a neurotransmitter in the brain.
Dopamine is a popular neurotransmitter that is believed to play a primary role in motivation, pleasure, and mood. When a person experiences pleasure from activities like having sex, watching porn, using drugs, or even intense physical exercise â dopamine is at work.