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