1. Pith: The pith is a soft, spongy tissue found in the center of stems and roots of plants. Its main function is to store and transport nutrients and water throughout the plant. It also provides mechanical support to the stem or root.
2. Cambium: The cambium is a thin layer of cells found between the xylem and phloem in the vascular tissue of plants. Its main function is to produce new cells for growth, allowing the plant to increase in girth. The cambium produces both the secondary xylem (wood) and secondary phloem (inner bark).
3. Cortex: The cortex is the outermost layer of cells in the stems and roots of plants. Its main function is to provide support and protection to the plant. It also plays a role in the storage of nutrients and water, and it helps regulate gas exchange and water movement.
Give the function of a pith,cambium and cortex
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