Specialised cells and movement of molecules into and out of cells

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Across
  1. 2. red blood cells are concave to carry the maximum amount of .......
  2. 5. sperm cells have a lot of these to produce energy for movement
  3. 6. the white blood cells with a large nucleus that make antibodies
  4. 9. the "hairs" on the cells that brush the mucus out of our breathing system
  5. 10. "pacman" WBC that engulf germs
  6. 11. shape of the nucleus of a phagocyte white blood cell
  7. 12. the head of a sperm cell that has enzymes to get into an egg cell
  8. 13. how gases move out of and into the lungs from the blood
Down
  1. 1. the structure that allows sperm and some bacteria cells to move
  2. 3. movement of water molecules from high to low concentration
  3. 4. the cells that produce mucus in the trachea and stomach
  4. 7. root cell that increases surface area to absorb water and mineral ions
  5. 8. palisade mesophyll cells have a lot of these as they do the most photosynthesis in a leaf