We sure learned a lot about the roots and stems of plants and how food and water moves through the plant. We took a good look at some roots and saw how they branch out underground to take up water and nutrients. We learned that they hold the plant up in the ground. Then we looked at stems and learned that they hold up the leaves. By looking at celery stems that were dyed with food color, we saw the vessels that run throughout the plant to carry the water and nutrients. We broke our celery open and peeled the stalk back to see the vessels. We learned that the vessels in plants are called xylem and phloem.
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