Biology Crossword Puzzle!

123456789101112131415161718
Across
  1. 3. what we breathe out
  2. 4. protects the cell
  3. 6. contains genetic information
  4. 8. creates energy for the cell
  5. 9. "control center" for the cell
  6. 11. single-celled organism
  7. 14. what we breathe in
  8. 15. storage center for the cell
  9. 16. reactant of photosynthesis
  10. 18. fats, oils; slow energy
Down
  1. 1. builds muscle
  2. 2. unique to plant cells
  3. 5. makes up all living things
  4. 7. non-living thing that makes us sick
  5. 10. quick energy
  6. 12. helps to synthesize proteins
  7. 13. product of photosynthesis
  8. 17. energy created by the mitochondria