Ключевые слова: alternative, animal, background, beauty, biology, black, bloodsucker, blurred, closeup, copy, cotton, female, hand, health, healthcare, healthy, hirudotherapy, hospital, insect, invertebrate, jar, leech, leeches, medicinal, medicine, natural, pads, parasite, person, pest, research, science, service, skin, space, suck, table, taking, text, therapy, traditional, treatment, tweezers, unconventional, wild, wildlife, woman, wooden, worm, zoology,