Ключевые слова: biology, botanic, botanical, botany, bundle, carbon, cell, cells, cellular, cellulose, chlorophyll, chloroplast, crosssection, detail, education, epidermis, exchange, experience, gas exchange, guard, guard cell, laboratory, leaf, lignin, mesophyll, microscope, microscopic, nucleus, oxygen, palisade, parenchyma, pattern, phloem, photosynthesis, plant, pore, respiration, science, scientific, skin, spongy, stoma, stomata, stomatal, stomate, structure, tissue, vascular, water, water vapor,