Ch 9 Words

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Across
  1. 6. Are attached to the bones of your skeleton and provide the force that moves your bones
  2. 8. A signal in an environment that makes you react
  3. 10. A group of similar structures that perform the same function
  4. 12. Is what your body does in reaction to a stimulus
  5. 15. A structure that is made up of different kinds of tissue
  6. 17. Provides support for your body and connects all its parts
  7. 18. A substance that you get from food and that your body needs to carry out processes
  8. 20. The chemical signals released by the endocrine system
Down
  1. 1. Can contract or shorten
  2. 2. Directs the cell's activities and holds information that controls a cell's function
  3. 3. Releases chemical signals directly into the bloodstream
  4. 4. The basic unit of structure and function in a living thing
  5. 5. Directs ad controls the process
  6. 7. Forms the outside border of a cell
  7. 9. Is made of a clear, jellylike substance that contains many cell structures
  8. 11. Covers the surface of your body, inside and out
  9. 13. A group of organs that work together, carrying out major functions
  10. 14. A place in your body where two bones come together
  11. 16. All the bones in your body
  12. 19. Nutrients move from the digestive system into the bloodstream