Across
- 4. cell organelles that carry out respiration
- 5. process by which substances move into cells
- 6. surrounds a plant cell
- 7. controls substances that move in and out of the cell
- 8. plants do this when they lack water
- 10. cell that carries oxygen around the body
- 12. smallest unit of life
- 14. part of cell where chemical reactions take place
- 16. cell that carries electrical impulses
- 17. green pigment in chloroplasts
- 18. controls the activity of the cell
Down
- 1. cell that absorbs water for plants
- 2. removes water from an amoeba
- 3. organ isms that are one cell big
- 6. tough substance that makes cell walls
- 9. contains cell sap in plant cells
- 11. where photosynthesis takes place in a plant cell
- 13. used to move a euglena
- 15. used to observe cells