Across
- 2. a group of cells that work together to perform a specific function
- 5. the lens that directly observes the object being looked at
- 6. the basic building blocks of life
- 8. a group of organs that work together to perform one or more functions
- 10. a microscope part that controls the beam shape (also known as an aperture)
- 12. the process of breaking down food for energy
- 13. an organization of parts to form an organ, system, or living thing
- 14. mechanisms that require the compromise of different control systems to maintain constant conditions within the body
- 15. an activity or function carried out by a system in the organism
- 19. the process where cells "reproduce" from a father cell into two daughter cells
- 20. the process of creating energy from a chemical reaction due to sunlight (in plants)
Down
- 1. the organ system that moves blood around the body
- 3. a body part that performs a specific function
- 4. any organism with cells (can be unicellular or multicellular)
- 7. a state of balance in the body that is necessary for survival
- 9. the process when energy is sent to regulate a desired temperature
- 11. knobs that focus and sharpen the object being observed
- 16. the ability to make larger or smaller the object being observed
- 17. the process where organisms breathe
- 18. basic cells that produce all other types of cells