science

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Across
  1. 4. create blood
  2. 7. hormones
  3. 10. a organ that is used in blood traveling through the body
  4. 11. a organ used in getting rid of waste
  5. 12. rids of waste from the body
  6. 13. help the bones move
  7. 15. materials used in the nose and knees
  8. 16. heart,smooth nuscle,tendons
  9. 17. taking oxygen and releasing carbon dioxide
  10. 19. a organ needed for organisms to live
  11. 20. breaks down food to nutrients
Down
  1. 1. pumps blood through the body
  2. 2. recieve and send messages
  3. 3. bones
  4. 5. another organ that blood travels through the body
  5. 6. an organism that needs oxygen
  6. 8. outer layer of skin protecting the inside
  7. 9. blood moves nutrients
  8. 14. the main component in the living organism
  9. 18. the important part for the nervous system