Biology Semester 1

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Across
  1. 3. a group of cells that work together to perform a specific function
  2. 6. a group of tissues that work together to perform a specific function
  3. 8. process of maintaining a steady body temperature
  4. 10. system that contains brain and signals nerve impulses
  5. 11. catalyze chemical reactions by lowering activation energy
  6. 14. the variable that is manipulated; x-axis
  7. 15. system that contains cardiac and smooth muscle
  8. 16. energy produced from cellular respiration
  9. 18. maintaining a stable internal environment
  10. 19. Broken down during cellular respiration to form ATP energy
Down
  1. 1. releases energy by breaking down glucose
  2. 2. does not receive the independent variable
  3. 4. uses sunlight energy to make stored chemical energy
  4. 5. cells obtain structures to perform specific functions
  5. 7. monomers of nucleic acids
  6. 9. the variable that is measured; y-axis
  7. 12. cells that undergo cell determination
  8. 13. system that contains heart, blood vessels
  9. 17. monomers of proteins