| conductive vessel in Mountain Mahogany emc.maricopa.edu Our circulatory system is made up of blood vessels, a plant's circulatory system is made up of xylem and phloem. Xylem consists of two types of cells known as tracheids and vessel elements. These form tube-shaped structures which provide pathways for water and minerals from a plants roots to the leaves. Vessels are found only in angiosperms or flowering plants. |
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| Plant Tissue Systems by Regina Bailey About.comGuide |
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