Posted 3 years ago with 13 notes
Tags: dopamine  norepinephrine  epinephrine  neurotransmitters  
  1. moonboy9999 reblogged this from bio--technology
  2. thelittleblondebookworm reblogged this from bio--technology and added:
    Dopamine, Norephinephrine, & Epinephrine.
  3. richfeathercats reblogged this from bio--technology
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