CELLS

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