Xylem

• The xylem is specialised to transport water up the stem of a plant and into the leaves.
• Open ended cells

  • Xylem vessels are made up of a series of connected dead xylem cells.
  • The end walls of the dead cells are broken to allow water to move through.
• • Lignin (a substance) strengthens the cell walls of xylem cells.
• The end walls of the dead xylem cells are broken to allow water and dissolved minerals to move through.