The main partial part of the biped section of the leaf plant, whose main function is the photosynthesis. The leaf is a part of the plant whose size remains constant. The size of the leaf blade is usually flat and thin so that the sun's light radiates through the cells and all the cells that have chloroplast can reach.
In addition to this, physiological work on the page is inhalation, vaporization etc. The leaf can also work as a food and water reservoir. Some plants may have a specific change in the shape of the leaves for special needs.
The leaflet raises the plate blade in the light. However, the structure of leaf blade is usually given importance to discuss the structure of the leaves.