Ключевые слова: analyzing, background, black, blood, blue, care, chemical, clean, concepts, cure, device, diagnosis, disease, doctor, drop, education, equipment, examination, gloves, hand, health, healthcare, healthy, heart, help, holding, ill, injecting, injection, instrument, isolated, label, laboratory, liquid, lupus, material, measurement, medical, medicine, needle, pain, prevention, pulse, science, stethoscope, syringe, test, treatment, wellness,