Ключевые слова: backgrounds, beat, blue, chart, check, checkup, computer, curve, design, electro, emotion, energy, equipment, exam, examining, experiment, fit, graph, graphic, healthcare, healthy, heart, heartbeat, image, life, lifestyle, love, medical, medicine, observe, pattern, pulsating, pulse, rise, science, scientific, screen, scrutiny, stability, surveillance, survival, symbol, test, trace, vitality, wave,