Bark. Simply bark. Partly wood, yes wood.
yes
The sap which oozes out of the trunk of the tree .
Secondary Xylem
cellulose
The wood in the trunk and limb of a tree is made up of xylem tissue. Xylem is responsible for conducting water and nutrients from the roots to the rest of the tree. It also provides structural support to the tree.
Bark covers a tree trunk.
A tree trunk is primarily made of xylem, which is responsible for transporting water and nutrients from the roots to the rest of the tree. Phloem, on the other hand, is responsible for transporting sugars produced through photosynthesis from the leaves to other parts of the tree.
Knots are where the branches grow out of the tree trunk.
The trunk of a tree is called a 'bole'.
Tree trunk is a compound word
the outer part of a tree trunk
the outer part of a tree trunk