7A Crossword

4. Nerve Cell.
8. Plant organ used to take water out of the soil.
10. Organs are made out of this.
11. Another word for food.
14. Thin piece of glass used to hold a specimen in place on a slide.
16. Plant organ that used to make food by photosynthesis.
17. Process that plants use to make their own food.It needs light to work.
21. A large part of a plant or animal that does a very important job. It is made from different tissues.
22. Organ that pumps blood.

1. Organ that controls what our body does.
2. Job.
3. Organ that helps you to breathe.
5. Getting rid of waste materials from the body.
6. Make an image clear and sharp.
7. Green discs that contain chlorophyll. Found in plant cells.
9. When a small piece of tissue is taken from the body to check for certain diseases or problems.
12. Organ used to make and destroy substances in our bodies.
13. Part of a microscope. You put slides on it.
15. Organ used for protection and feeling.
18. A scientific idea about why something happens, which can be tested with experiments.
19. Organs used to break up food.
20. More scientific name for 'windpipe'