Y7 Cells

1. Group of similar cells
4. The jelly-like substance inside a cell where most of its activity happens
8. The green parts of plant cells which capture light energy to make food from water and carbon dioxide
10. Connections of nerve cells
12. Group of organs working together to carry out different life processes (2 words, 5, 6)
13. Large ‘bag’ inside a cell containing sap
14. A piece of apparatus that makes objects look bigger by making an enlarged image of them
15. Long thin part of a nerve cell that allows it to carry messages from your nervous system to the extremities of your body and back
17. Describes the features of a cell and how they are arranged
18. Wheel on the microscope used to see the specimen clearly with a particular lens
19. The part of a cell which controls all its activities
20. Electrical signal carried by a nerve cell

2. Cells with special features to perform particular functions
3. Tough outer covering of plant cells which helps keep them rigid (2 words, 4, 4)
5. The process of selecting a sample or samples for testing
6. The outer part of all cells which hold in the other parts of the cell and controls what travels in and out of the cell (2 words, 4, 8)
7. Group of tissues working together to do something useful
9. One of seven processes seen in living things (MRS GREN: movement; respiration; sensitivity; growth; reproduction; excretion; nutrition) (2 words, 4, 7)
11. Use symptoms or test results to identify a problem
14. Make bigger
16. Job / purpose