Paper 1 Revision

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Across
  1. 4. A type of pathogen that needs a host to reproduce.
  2. 5. Tiny air sacs in lungs.
  3. 7. Plants make their food by __________.
  4. 9. Gas taken in during photosynthesis.
  5. 10. The organ that makes bile and stores glycogen.
  6. 13. A blood vessel that carries blood away from the heart.
  7. 14. An organelle in a plant that carries out photosynthesis.
  8. 15. Where aerobic respiration happens.
  9. 18. The control centre of a cell.
  10. 19. The liquid part of the blood
  11. 20. A cell that has no nucleus.
  12. 21. The liquid that carries oxygen around the body.
Down
  1. 1. The sugar made in photosynthesis.
  2. 2. An organism that causes disease.
  3. 3. Gas released during respiration.
  4. 6. The name of the enzyme that breaks down starch.
  5. 8. Food is broken down into small soluble molecules.
  6. 11. A cell organelle used to release energy.
  7. 12. Plants store glucose as _______.
  8. 16. Organelle used to keep a cells shape.
  9. 17. Type of respiration without oxygen.