Cells and Body Systems

2. a "command center" that directs all cellular activities such as movement, growth, and other life functions.
4. tiny blood vessels that connect arteries to veins.
5. Substances that provide energy and materials used by organisms.
6. Moves bones.
7. group of organs that work together preforming a function.
9. Breaks down food to be absorbed and transported through the body.
10. Protects the body's internal environment against external environment
16. Basic unit of life.
18. A purpose or task.
20. Provides a mobile support frame for the body.
21. Serves as a foundation for the microscope.
22. Energy using, or energy creating process in the cell.

1. Supplies the blood with oxygen, and removes carbon dioxide from your blood.
3. the "kitchen" of the cell. It contains the nutrients required by the cell to maintain its life process.
5. Coordinates and controls all organs and organ systems, reacts to stimuli
8. Contains a lens that magnifies.
11. Removes chemicals and wastes from the body.
12. group of similar cells that work together to preform a function.
13. A part of an organism that preforms specific tasks.
14. optical device used for viewing very small objects.
15. Structures in cells that preform a specific function.
17. Made of just one cell.
19. Supports a slide that holds the object you want to view.
23. Allows you to carry the microscope securely.
24. A group of tissues that work together preforming a function.