Cells and tissues

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Across
  1. 3. Red blood cell transporting oxygen.
  2. 4. Cells adapted to produce and secrete substances.
  3. 6. Mature bone cell maintaining bone tissue.
  4. 9. epithelium Single layer of cells aiding absorption or filtration.
  5. 12. Cell containing a nucleus and membrane‑bound organelles.
  6. 14. Stretchy tissue found in the urinary system.
  7. 15. Cell lacking a nucleus and membrane‑bound organelles.
  8. 16. Multiple layers of cells providing protection.
Down
  1. 1. Appears layered but every cell touches the basement membrane.
  2. 2. Cube‑shaped cells found in glands and ducts.
  3. 5. White blood cell involved in immunity.
  4. 7. columnar Columnar cells with cilia to move substances.
  5. 8. Specialised nerve cell transmitting impulses.
  6. 9. Thin,flat cells forming smooth lining surfaces.
  7. 10. Immune cell producing antibodies.
  8. 11. Cell producing connective tissue fibres.
  9. 13. Tall cells specialised for absorption or secretion.
  10. 17. cell Fat‑storing cell providing insulation and energy.