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