CELLS

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Across
  1. 7. Red blood cells do not contain this.
  2. 8. A device needed to observe small living things
  3. 10. The basic units of life
  4. 12. Muscle cells help the body to _____.
  5. 13. This cell does not contain a nucleus.
  6. 15. Bone cells help to _________ our body.
  7. 17. Red blood cells transport this around the body.
  8. 19. Information is passed from parents to children through ______.
  9. 20. Various tissues work together to form this.
  10. 21. The layer surrounding a cell
Down
  1. 1. Calcium and ______ help to keep our bones strong and healthy.
  2. 2. The part of the cell that controls all cell activities.
  3. 3. Blood is a _____ made up of different cells.
  4. 4. Different organs work together to form this.
  5. 5. These cells contain calcium and phosphate.
  6. 6. Many cells make up a _______.
  7. 9. The cell membrane ______ substances entering and leaving the cell.
  8. 11. Where a microscope slide is placed in a microscope
  9. 14. Contains water and food materials in a cell.
  10. 16. The nucleus contains these.
  11. 18. These cells can contract and relax.