each sheet is many wonderful, hidden under the skin, green chlorophyllose grains. They are very small, but their role is very high. These grains, like small plants, prepared food throughout the plant. They take from the air carbon dioxide. This gas, water, and substances produced by the roots out of the ground, chlorophyllose grains make a building material for new buds, roots, branches, and trunk. And they do it with solar energy. Tiny seeds catch the light from morning to evening.
Thanks hidden in the leaves chlorophyllum grains from a small weak sprout grows into a mighty oak or high pine.