plant tissues

• Epidermal tissue


  Covers the whole plant
• Palisade mesophyll tissue


  Part of leaf where most photosynthesis happens
• Spongy mesophyll tissue


  Contains big air spaces to allow gases to diffuse in and out of cells
• Xylem


  Carry water and mineral ions from roots to stem and leaves, transpiration (one direction)

  Made of DEAD cells with NO end walls
• Phloem


  Transporte food substances (dissolved sugars) made in leaves to the rest if the plants, translocation (two directions)

  Made of elongated LIVING cells

  Pores in end walls to allow cell sap to flow through