The following diagram shows the structure inside the stem of a plant. This is how water, sugars, and minerals are moved about the plant…
1. Pith
2. Vascular Bundle – consists of xylem and phloem. They are separated in each vascular bundle by a membrane called the cambium. Xylem transports water and minerals around the plant whereas phloem carries starch and sugars for growth ofthe plant and roots.
3. Cortex
4. Epidermis