Cells

2. Wall is a thick wall that surrounds a cell and offers protection and shape maintenance.
3. Membrane separates the interior of the cell from the outside environment. It offers extra protection for the cell.
5. System sends signals from your brain to the rest of your body.
6. is a small organelle inside a cell that uses the sun's energy to convert it into chemical energy.
7. Cell the basic unit of all plants.
11. System responsible for movement.
12. System a group of organs that perform activities that help the body as a whole.
16. is a subcellular structure that has specific jobs to perform in the cell.
17. System helps us to breathe in oxygen and breathe out carbon dioxide.
18. is an organelle that converts energy. Many people say it looks like a jelly bean.
19. Cells are the basic structural and functional units of animals tissues and organs.

1. is a big circular organelle that controls a lot of the functions in the cell.
4. Reticulum a network of membranes inside a cell through which proteins and other molecules move.
8. is like a storage for cells and important cell parts.
9. are groups of tissues that are made up of two or more types of tissues.
10. system carries oxygen and nutrients to the rest of the body and removes wastes.
13. is a group of cells that have similar structure and that function together as a unit
14. system to digest and absorb food and then excrete the waste products.
15. is a jelly-like material that fills the outside of the cell Nucleus.
17. are very small organelles in a cell where proteins are assembled.