So an increased flow of blood in these regions probably means an individual is experiencing feelings associated with being rewarded. (ahealthblog.com)
It is not only a cool feeling you get in your muscles, but it's also a sign that more oxygen and nutrients enter your muscle cells with the increased flow of blood. (fitnessandpower.com)
More blood flowing into an area of the brain sends different signals than does tissue receiving a normal flow of blood. (sciencenewsforstudents.org)