Serotonin: a neurotransmitter popularly thought to be a contributor to feelings of well-being and happiness.
ADRENALINE C9 H13 NO3 "A hormone that prepares the body in critical situations to respond either by fighting or by fleeing. www.swisshealthmed.de More
An ATP molecule. | 23 Incredibly Elegant Science Tattoos
... Serotonina su Pinterest | Dopamina Tattoo Tattoo Molecola e Tatuaggi
Something I'm working on, cross, family, koi, anchor, compass tattoo
I just love love. :) Oxytocin molecule necklace $240
My Serotonin molecule watercolor tattoo, I love it.
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