People who engage in extreme sports often do so to feel the rush of epinephrine and norepinephrine. This rush comes from the glands.

Piutuatary Gland because I need points

A, if i am wrong correct me

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it