Different Plant Parts

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Plants have different parts just like we do. We have arms, legs, a heart and lungs to help us survive. Each of our body parts has a certain job to do. Plants have different parts, each with its own job to do. They must have roots, stems and leaves. Each part of the plant must do its job so the plant can stay healthy and grow. A plant’s roots grow under the ground. The roots help hold the plant in the soil. They also take in water and nutrients which the plant turns into food. Plants have different kinds of root systems. Some plants have fibrous roots. Fibrous roots have many branches and spread out like the branches of a tree. Plants that have fibrous root systems include grasses, corn plants, wheat and many other crops that farmers grow. Other plants have a tap root. This is a single, main root that grows straight down. The tap root has smaller branches growing off of it. Examples of plants that have a tap root are carrots, radishes and turnips. The stem grows upward from the roots. It holds the plant up and carries water from the roots to the other parts of the plant. Secondary stems, called petioles, grow from the main stem. These petioles have leaves growing on them. Sometimes we eat the stems of plants, like celery and asparagus. The leaves of a plant make the food the plant needs to survive. The water and nutrients that were taken in by the roots, move upward through the stem to the leaves. The leaves take sunlight and carbon dioxide from the air and convert the nutrients to plant food. This process is called photosynthesis. We eat the leaves of some plants such as lettuce and spinach. A leaf is usually flattened green outgrowth from the stem of a vascular plant. Leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, leaves are an integral part of the stem system, and they are

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