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Man Using A Syringe Filled With Green Liquid -
Syringe Dripping Green Liquid -
Insulin Syringe Dripping Yellow Liquid -
Close Up Of Syringe Dripping Green Liquid -
taking pills -
the last pill -
the red pill -
Science speed drawing -
Towels And Cotton Swab -
Injury Treatment -
medical gloves -
DNA Test -
sketchbook-science -
Time lapse doodle science