How many types of elements together make up the xylem tissue? Name them.

The types of elements that make up the xylem tissue are as follows :

1. Tracheids

Tracheids serve the upward conduction of water and dissolved minerals in all vascular plants.

2. Vessels

Vessels constitute the major part of the water transporting system in the plants and form an efficient system for transporting water and necessary minerals from the root to the leaves and other parts of the plant.

3. Xylem fibres

Xylem fibres are supportive in function which is responsible for transporting food from the leaves to the other parts of the plant.

4. Xylem parenchyma

The xylem parenchyma is responsible for storing the prepared food and assists in the conduction of water.