Relacionar Columnas Tree Parts Matching Versión en línea Match each tree part to the appropriate description por Samantha Foster 1 Inner Bark 2 Cambium 3 Outer Bark 4 Heartwood 5 Sapwood Cell layer that produces new bark (phloem) and new wood (xylem) every year. Scientific name phloem; supply line that carries food from leaves to branches, stems and roots. Composes most of the trunk and is made up of dead xylem cells; is like the backbone that supports the tree. The living xylem that transports water and nutrients up from the roots. Dead phloem cells that protect the tree from diseases and insects.