Building Biology Knowledge

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Across
  1. 4. Part of the body made of tissues with a special job.
  2. 5. Simple sugar made by plants; gives energy.
  3. 6. Path of nerves that carry messages to and from the brain.
  4. 7. Movement of water through a membrane from high to low concentration.
  5. 12. Pumps blood around the body like a strong muscle engine.
  6. 13. Plant cell space that stores water to keep the plant firm.
  7. 16. Cell that carries oxygen; shaped like a disc.
  8. 18. Medicine that kills bacteria (not viruses).
  9. 21. Supports the body and protects organs.
  10. 23. Part of the cell that makes energy for movement and life.
  11. 25. Narrow pathway that carries tiny electrical signals around the body.
  12. 26. A group of similar cells working together.
  13. 27. Tiny germ like a virus or bacteria that can make you ill.
  14. 28. Particles spreading out from crowded areas to less crowded areas.
  15. 29. wall Hard outer layer of plant cells that gives support.
  16. 30. Helps the body move by contracting and relaxing.
Down
  1. 1. Jelly inside the cell where reactions happen.
  2. 2. Process where plants make food using light, water, and carbon dioxide.
  3. 3. Organs that take in oxygen and breathe out carbon dioxide.
  4. 8. Organ where food is mixed and broken down.
  5. 9. Plant cell part that uses sunlight to make food.
  6. 10. Helps your body learn to fight a disease safely.
  7. 11. Cell that fights germs that make you ill.
  8. 14. Groups of organs that work together, like breathing or eating.
  9. 15. Pumps around the body carrying oxygen and food.
  10. 17. A protein that helps reactions happen faster.
  11. 19. membrane Soft skin around the cell that lets things in and out.
  12. 20. The “boss” of the cell that holds DNA.
  13. 21. Protects the body and helps control temperature.
  14. 22. Main control centre of the body, sending messages everywhere.
  15. 24. Smallest building block of all living things.