Ключевые слова: 20s, accurate, analysis, analyzing, appearance, biochemist, biochemistry, biomedical, biotechnology, bottle, caucasian, chemical, chemist, chemistry, coat, computer graphic, cure, development, device, digital, digitally generated, ecg, electrocardiography, electrode, erlenmeyer, examine, experiment, face, female, flask, formula, heart, heartbeat, holding, investigating, investigation, lab, laboratory, learn, line, liquid, medical, medicine, monitor, physics, pouring, research, science, scientific, scientist, sterile, student, substance, test, tube, watching, waveform, woman, work, young adult,