Ключевые слова: 20s, 3d, beating, biochemistry, biological, biology, blank, cardiac, cardiologist, cardiology, caucasian, chromosone, complexity, computer graphic, copy space, cut out, device, digital generated, dna, doctor, ecg, electrical, electrocardiography, electrode, element, expertise, female, genes, genetic research, genetics, graphic, green, healthcare and medicine, heart, heartbeat, helix, holding, hospital, human, illustration, job, lab coat, line, machine, medical, medical equipment, medical practitioner, medicine, monitor, occupation, pattern, physician, profession, professional, rate, science, sequencing, sick, skill, specialist, spiral, standing, stethoscope, strands, studio shot, technology, waveform, white, white background, woman, workplace, young adult,