Ключевые слова: adult, assistance, blood, blood bank, blood donation, care, caucasian ethnicity, clinic, closeup, cpr, doctor, doctors office, donate, donor, emergency room, emergency services, equipment, examining, expertise, healthcare and medicine, healthy lifestyle, holding, hospital, human hand, illness, indoors, medical equipment, medical exam, medical procedure, medicine, medicine and science, nurse, occupation, paramedic, patient, people, physical injury, professional occupation, pulse trace, surgery, technology, unrecognizable person, women,