Ключевые слова: action, assistance, blood, blood donation, blood sample, care, caucasian ethnicity, clinic, doctor, emergency services, emergency services and rescue occupation, growth, healthcare and medicine, holding, hospital, human hand, human knee, human vein, illness, injecting, liquid, male, mature men, medical exam, medical sample, medicine, men, nurse, operating, paramedic, patient, people, platelet rich plasma, protective glove, prp, real people, recovery, rescue, solution, stem cells, surgeon, surgery, surgical needle, syringe, the human body, two people, unrecognizable person, urgency, wrist,