Unit 2- intro to cells

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Across
  1. 4. System that gets oxygen into the body
  2. 5. System that includes the bones in the body
  3. 8. Made of many cells.
  4. 11. A part of an organism that performs a specific job (like the heart).
  5. 13. amount of senses our body has
  6. 15. The smallest unit of life.
  7. 16. system that breaks down food into substances the body can use
  8. 19. gel like fluid that keeps the organelles in place
  9. 20. A large collection of different organs working together.
  10. 22. organelle that provides storage for water and materials
  11. 23. system that regulates body activities by producing chemical messengers
  12. 24. stable conditions inside the body
Down
  1. 1. A group of similar cells working together.
  2. 2. Converts sunlight into energy in plant cells.
  3. 3. system that transports needed substances throughout the body
  4. 6. System that includes the muscles that help you move
  5. 7. Structure that controls what enters and leaves the cell.
  6. 9. The control center of the cell.
  7. 10. Made of only one cell.
  8. 11. A single living thing.
  9. 12. system that controls and coordinates your body's activities
  10. 14. The 'powerhouse' of the cell; makes energy.
  11. 15. Found only in plant cells; provides structure and support.
  12. 17. A structure within a cell that performs a specific function.
  13. 18. system that fights off infections
  14. 21. system that removes waste