Across
- 3. system, a group of organs that work together
- 5. what your body does in reaction
- 8. release chemical signals
- 10. tissue, contract or shorten
- 13. made of a clear jellylike substance
- 15. tissue, connects support for your body
- 16. a signal that makes you react
- 17. a place in the body where two bones come together
- 18. includes all the bones in you body
Down
- 1. tissue, directs and controls the process
- 2. transported through your body
- 4. nutrients move from the digestive system
- 6. a substance you get from your food
- 7. tissue, covers the surface of your body
- 9. directs the cell's activity
- 11. membrane, forms the outside border of a cell
- 12. group of similar cells
- 13. basic unit of structure and function
- 14. structure that is made up of different kinds of tissue
- 16. muscles, attached to your bones