Serotonin. monoamine neurotransmitter. Its biological function is modulating mood, cognition, learning, memory, and vasoconstriction. Happiness Hormone. Chemical structural formula and model of molecule. Vector Illustration

Serotonin. monoamine neurotransmitter. Its biological function is modulating mood, cognition, learning, memory, and vasoconstriction. Happiness Hormone. Chemical structural formula and model of molecule. Vector Illustration - 158122649

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