CELLS

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Across
  1. 6. A device needed to observe small living things
  2. 8. The part of the cell that controls all cell activities.
  3. 9. These cells contain calcium and phosphate.
  4. 10. Calcium and ______ help to keep our bones strong and healthy.
  5. 12. Contains water and food materials in a cell.
  6. 16. Where a microscope slide is placed in a microscope
  7. 17. The nucleus contains these.
  8. 18. Red blood cells transport this around the body.
  9. 19. Red blood cells do not contain this.
  10. 21. Blood is a _____ made up of different cells.
Down
  1. 1. These cells can contract and relax.
  2. 2. The cell membrane ______ substances entering and leaving the cell.
  3. 3. The layer surrounding a cell
  4. 4. Many cells make up a _______.
  5. 5. The passing of genetic information from parents to children.
  6. 7. An organ in our digestive system where proteins are digested.
  7. 11. Various tissues work together to form this.
  8. 13. The microscope uses this to make objects look bigger.
  9. 14. Muscle cells help the body to _____.
  10. 15. The ovary, uterus and oviducts are organs found in this human system.
  11. 16. Different organs work together to form this.
  12. 20. The basic units of life