Xylem and phloem are bundled together to form the ... And lastly there’s sclerenchyma. Sclerenchyma’s job is to support the plant when it faces too much weight or bending.

One goes up... and one goes down. I was a college freshman in Botany 101 when I first learned about xylem and phloem, the two transport tissues which carry water and nutrients up and down a tree's ...