Ключевые слова: adult, aid, analyzing, bacterium, biochemistry, biology, biotechnology, blue, blurred, bottle, chemist, chemistry, clinic, concentration, counter, discovery, disease, dna, doctor, drip, drop, emergency, equipment, expertise, female doctor, headshot, healthcare and medicine, holding, horizontal, hospital, image, indoors, lab coat, laboratory, liquid, medical research, medicine, microbiology, microscope, nurse, occupation, pipette, research, science, scientific experiment, scientist, test tube, tube, woman,