Taking a Closer Look at Wood
Remember when we said that bark was not actually wood? Well, phloem isn't actually wood, either! However, phloem is a very improtant part of the tree.
As you already know, the leaves perform photosynthesis to make food and sugar for the tree.
The phloem is what carries the sugars from the leaves at the top of the tree to the roots and other parts of the tree!