Xylem is a Vascular and mechanical tissue . In other words , it is a conducting tissue . Xylem is composed of cell ( called elements ) of four different types :
1) Tracheids
2) Vessels or tracheae
3) Xylem parenchyma and
4) Xylem scleroderma ( or fibre ) .
FUNCTIONS OF XYLEM
1) The main function of xylem is to carry water and mineral salts upward from the root to different parts of shoots .