Cell & Organisation

3. A group of tissues that work together to perform a specific function.
4. piece The part of a microscope you look through to see the magnified image.
6. The system responsible for moving substances around the body.
8. The system involved in producing offspring.
10. lenses Lenses on the microscope that magnify the specimen.
12. The gel-like substance inside a cell where most of the cell's activities happen.
13. The organelle in plant cells where photosynthesis occurs.
16. A group of similar cells that perform a specific function.
17. Organisms made up of more than one cell.
19. An instrument used to see small objects that are not visible to the naked eye.
22. Organisms made up of a single cell.

1. A part of the microscope that reflects light through the specimen.
2. A group of organs that work together to perform complex functions.
5. The system that breaks down food into nutrients the body can use.
7. knob Used for fine-tuning the focus of the microscope.
9. These hold the slide in place on the microscope stage.
11. membrane The thin layer that surrounds the cell and controls what enters and leaves.
13. The basic unit of life.
14. The system that brings in oxygen and removes carbon dioxide.
15. The green pigment in plants that absorbs light for photosynthesis.
18. wall A rigid layer that gives support and structure to plant cells.
20. Storage spaces within cells, often holding water, nutrients, or waste.
21. The control center of a cell, containing genetic material.