Year 8 Cells and Microscopes

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Across
  1. 4. A type of blood vessel that takes blood under pressure away from the heart.
  2. 5. A type of blood vessel that brings blood back to the heart, it has valves in it.
  3. 7. Deoxyribonucleic Acid – the molecule that contains the genetic information of a person.
  4. 8. An organ that continuously pumps blood through the body.
  5. 9. An organelle that contains genetic material (DNA) and controls the processes of the cell.
  6. 11. cell A complex cell that contains a nucleus and membrane-bound organelles
  7. 13. The building block of living organisms.
  8. 14. A structure within a cell that has a specific function.
  9. 15. System The organ system that controls the flow of blood throughout the body.
  10. 17. The type of cell division that produces two identical daughter cells and is used to grow and repair the body.
Down
  1. 1. An organelle in cells where energy is produced.
  2. 2. System The organ system that controls the inhalation of oxygen and the exhalation of carbon dioxide gases.
  3. 3. cell A primitive single-celled organism that has no nucleus
  4. 6. A collection of organs and structures that have a specific function within the body.
  5. 10. An organelle found in plant cells that transforms solar energy into chemical energy
  6. 12. membrane A structure that helps form the shape of the cell and controls what enters and leaves the cell.
  7. 15. The smallest of the blood vessels with a wall only one cell thick to allow for gas exchange and the movement of wastes and nutrients.
  8. 16. A cell organelle where protein production takes place.