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Xylem

Biology: Edexcel IGCSE, topic 3.3.8

Xylem Cell

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

Open ended cells

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

Lignin

  • Lignin (a substance) strengthens the cell walls of xylem cells.

Test yourself on Xylem

  • Which of the following cell types is "dead"?

  • Why are xylem cells' end walls broken?

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