Ключевые слова: biology, blood, blurred, busy, care, clean, clinic, component, defocused, doctor, donation, donor, drop, dropper, emergency, equipment, erythrocytes, expertise, group, healthcare, hematology, hemostatic, horizontal, hospital, illness, intensive, iv, job, liquid, medical, medicine, occupations, operating, organ, preparation, procedure, professional, red, room, services, skill, surgeon, surgery, surgical, teamwork, thrombolytic, transfusion, urgency, ward, working,