Cute funny human brain organ character and serotonine formula in speech bubble. Vector hand drawn cartoon kawaii character illustration icon. Brain chemistry, serotonine cartoon character concept premium vector by Kahovsky

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vector graphic illustration happy sign human happiness cute health head life face cartoon formula character comic symbol emotion structure think education mood biology chemical laboratory science system chemistry depression organ drug knowledge mind feeling scientific poster brain mascot biochemistry molecule molecular physiology Euphoria structural kawaii hormone neurotransmitter dopamine infographic Speech Bubble

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