Across
- 1. covers the surface of your body
- 5. the process your body uses to contain itself
- 8. substance that you get from food and that your body needs to carry out
- 9. the rest of a cell
- 12. all bones in your body
- 13. holds information that controls a cell function
- 15. chemical signals released by endocrine system
- 16. fuction in a living thing
- 18. directs and controls the process
- 19. group of similar cells that perform the same fuction
- 20. what each organ in your body is a part of
Down
- 2. nutrients move from digestive system into bloodstream
- 3. cells that contract or shorten
- 4. body's reaction to a stimulus
- 6. structure made up of different kinds of tissue
- 7. react to things in the environment
- 9. provide support for your body and connects all its parts
- 10. attached to the bones of your skeleton
- 11. release chemical signals into bloodstream
- 14. outside border of a cell
- 17. where two bones come together