# 7th Class Science Movement of Substance Need of Transport System in Plants

Need of Transport System in Plants

Category : 7th Class

### Need of Transport System in Plants

Plants are made up of mainly three parts, i.e. root, stem and leaves. Leaves develop in upper part of plants so that they remain in directly contact with atmosphere to trap $C{{O}_{2}}$ and sunlight. Roots develop in lower part of plants and remain underground to absorb water and minerals from the soil. These raw materials, obtained by different parts of plant, need to be get together in the leaves for the process of photosynthesis. So for transporting these materials from one part to another part, plants need a transport system..

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