Science

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Across
  1. 6. Coordinates the muscular system
  2. 10. Bodies that partially let light in
  3. 12. Main source of light
  4. 13. Points where bones meet
  5. 14. Bodies that do no allow light tp gp through
  6. 16. The path in which light travels
  7. 18. Bodies that completely let light in
  8. 20. Fibers that shrink and stretch
  9. 22. Decrease the consumption of products and services
Down
  1. 1. They feed on plants
  2. 2. Unit to measure the volume
  3. 3. Projects a partial shadow
  4. 4. Organ located at the middle of the chest
  5. 5. They feed on insects
  6. 7. They feed on plants and animals
  7. 8. Acute like the voice of a child
  8. 9. They feed on meat
  9. 11. We communicate through
  10. 15. Projects a defined shadow
  11. 17. Volume of the sound
  12. 19. Waste processed to make other products
  13. 21. To use again