The function of root is to fix the plant. It will absorb inorganic salt and water from the soil to meet the needs of growth. And it also has the ability to synthesize, to make some important organic substances, such as amino acids.
The main function of stem is to transport inorganic salt, water and organic matter to all parts of plant to support the needs of branches, leaves, flowers and fruits. It also has the function of storing nutrients.
Leaves are mainly for transpiration and photosynthesis.
The function of flowers is to form seeds after pollination, which are used to reproduce offspring.
Fruit is composed of seed and pericarp, it is to protect the seed, when the seed is mature, it is conducive to seed dispersal.
Seeds are used to grow into plants.
