8th Mid-Interim 1 Bonus Activity

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Across
  1. 4. A nerve ending
  2. 5. Provides energy for the cell
  3. 7. This system involves organs like the kidneys and bladder
  4. 8. An action or condition that causes a response
  5. 12. An organism made of one cell
  6. 13. This system contains the brain and spinal cord
  7. 14. The basic unit of living things
  8. 17. A specialized structure inside a cell
  9. 18. These are sent out when there is a stimulus
  10. 19. The system that absorbs nutrients
  11. 21. The control center of the cell
  12. 23. The system that controls movement of the body
  13. 24. A barrier that controls what enters and exits the cell
  14. 25. The organ that interprets all stimuli
  15. 26. The system that pumps blood
Down
  1. 1. A signal that enters the body through physical touch
  2. 2. The site of photosynthesis in plant cells
  3. 3. What something does
  4. 6. A signal that enters the body through chemicals
  5. 9. An organism made of many cells
  6. 10. A tough barrier not found in animal cells
  7. 11. A mass of similar cells together
  8. 15. A collection of tissues joined together performing a specific function
  9. 16. The system that provides oxygen for blood
  10. 20. Another term for a body system
  11. 22. A specialized cell that transmits electrochemical signals