Ключевые слова: blood, blue background, cannula, close up, closeup, color, color image, colour, colour image, donation, drop, drops, exam, examination, health care, healthcare, injecting, injection, injections, liquid, liquids, medicine, motion, needle, needles, pharmaceutics, pharmacy, photo, photography, photos, pointed, red, sample, samples, sharp, syringe, syringes, test, treatment, vaccination,