Cells and Respiration Crossword

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Across
  1. 4. Specialised structures held within a single cell
  2. 5. The gas in which humans need to survive
  3. 11. An organelle which controls activities of a cell
  4. 12. A part of a cell that separates the interior from the exterior
  5. 14. An instrument used for things not visible to a naked human eye
  6. 17. A part of a microscope where the specimen is placed
  7. 19. An organelle which generates most of the chemical energy in a cell
  8. 20. A small organism inside a living body
Down
  1. 1. The way in which plants use to produce energy to survive
  2. 2. A jelly like substance which is held within a cell
  3. 3. A wall that surrounds a plant cell
  4. 6. The gas emitted from the human body from the respiration process
  5. 7. The sugar in a human body also used in the process of photosynthesis
  6. 8. The act of breathing
  7. 9. The thing to power a cell in an animal or plant
  8. 10. The light that comes from the Sun
  9. 13. A part of a plant cell which uses energy from photosynthesis
  10. 15. A part of the microscope where you look into
  11. 16. A liquid which fills us most of our body
  12. 18. The part of a cell that stores things inside and disposes waste products