Ключевые слова: animal, baby, background, biology, biotechnology, blue, chemical, chemistry, clean, clinic, cute, discovery, doctor, education, equipment, experiment, flask, glassware, health, hospital, knowledge, lab, lab rats, laboratory, liquid, little, mammal, medical, medicine, mice, mouse, nose, pest, pharmacy, photo, rat, research, rodent, sample, science, scientific, small, study, test, tool, tube, virus, water, white,