Biology Crossword Puzzle

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Across
  1. 3. Process of releasing energy from food
  2. 5. Any living thing
  3. 8. Tool to see very small objects
  4. 11. A group of organisms that can reproduce together
  5. 12. Bones that protect the spinal cord
  6. 14. Organ that filters waste from blood
  7. 16. Transports oxygen and nutrients in the body
  8. 18. The basic unit of life
  9. 19. Plant part where photosynthesis happens
  10. 20. Organs used for breathing
  11. 21. Jelly-like substance inside cells
Down
  1. 1. Process plants use to make food from sunlight
  2. 2. A body part made of tissues with a special job
  3. 3. Plant part that takes in water from soil
  4. 4. Process of breaking down food
  5. 6. A group of similar cells working together
  6. 7. Organ that controls thoughts and actions
  7. 9. Plant part that supports leaves and flowers
  8. 10. Organ that pumps blood around the body
  9. 13. The natural home of an organism
  10. 15. Control center of the cell
  11. 17. Green pigment in plants