Ключевые слова: biology, blue, caucasian, chemical element, copy space, cut out, cytosine, diagram, digital, doctor, felt pen, female, forensic science, healthcare and medicine, image, isolated, lab coat, medical, molecule, nitrogenous, organic, particle, pathogens, physiology, pointing, research, science, scientific experiment, showing, stethoscope, white background, woman, writing, young adult,