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Across 2. detects and interprests information from the environment outside the body and from within the body 5. enables the body to move, moves food through the digestive system and keeps the heart beating 8. takes oxygen into the body and eliminated carbon dioxide 11. process by which the bodies internal environments is kept stable. 13. A structure that is composed of different kinds of tissue. 15. provides support for your body and connects all its parts 16. covers the surface of your body both inside and outside 19. fights disease 20. carries materials to the body cels; carries waste away from body cells, helps fight disease 22. controls many body processes by means of chemicals 23. Forms the outside boundary of the cell

Down 1. A group of organs that work together to perform a major function. 3. removes waste 4. makes parts of the body move by contracting and relaxing 6. A group of similair cells that perform the same function 7. the area between the cell membrane and the nucleus. it is a clear jelly like substance. 9. produces sex cells that unite to create offspring 10. carries messages back and forth between the brain and every other part of the body. 12. supports and protects the body 14. Takes food into the body, breaks food down, and absorbs the digested materials 17. The basic unit of structure and function in aliving thing 18. it is located inside the cell and it is the control center that directs the cell's activities. 21. protects teh body, keeps water inside the body, and helps regulate body temparture