Ключевые слова: anatomy, background, biological, biology, body, cell, detail, education, experience, experiment, genetics, institute, knowledge, laboratory, leaf chlorophyll, learn, life, live, macro, medical, micro, microbiology, microorganism, microscope, microscopic, nature, observation discovery, pathology, perform, plant cell nucleus, preparation, progress, research, sample, science, scientific, study, tissue, water,