a hormone produced by the adrenal glands which, when released into the blood stream, causes the heart to beat more quickly - especially when you do something exciting, like participate in a footrace that raises money to promote student-participation in Science Fairs in British Columbia.
FIG 2. Endorphin
a naturally-occurring painkiller in the brain that reduces anxiety and leads to a state of euphoria - a common condition of those who have successfully completed a scenic 5k race, such as the PMC-Sierra Science Fair Fun Run.
FIG 3. Sweat
a fluid released through the skin which, through the process of evaporation, causes the surface temperature and eventually the core temperature of the body to cool - speaking of cool take a look at our long list of sponsors.
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