Ключевые слова: 14 february, anatomy, artery, biology, blogger, blood, blood pressure, cancer, cardiology, charity, day, design, donate, donation, donor, eyes, give, hand, health, health care, heart, heartbeat, help, hospital, illness, illustration, kidneys, life, liver, lungs, medical, medicine, national organ donor day, organ, organ donor, organ donor day, patient, poster, pump, respiration, respiratory, save, science, surgery, transfusion, volunteer, web,