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Scientists say: phloem

Phloem is a type of plant tissue that distributes sugars that leaves make during photosynthesis to the rest of the plant. These sugars are the plant’s food, and just like people can overeat, plants can make more sugars than they need at a certain time. When this happens, plants can stash excess food in storage organs, such as roots or bulbs. Carrots (roots) and onions (bulbs) are both examples of plant storage organs. Phloem can also carry sugars from storage organs to parts of a plant that need energy to grow.

The process of moving food around through phloem is known as translocation. Phloem’s partner in crime is xylem, plant tissue that brings water and nutrients up from the roots to the rest of the plant. Together, phloem and xylem make up a plant’s vascular system. You can see this system at work in the veins on plant leaves.

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