Cells Crossword Across 9. examples are vacuole, mitochondria and ribosomes 12. a group of organs working together to do the same job 14. contains a green chemical called chlorophyll, which traps light energy for photosynthesis 16. these cells carry messages around your body, it has sensors for this 17. a group of similar tissues working together to do the same job 20. these cells are produced by a female and are much larger than a sperm cell, these are what make babies 22. these cells has a tail to help it swim, this cells function is to fertilize an egg 24. examples are sugar, proteins and DNA Down 1. controls what goes in and out of the cell 2. these cells kill germs that get into your body, they make anti-bodies 3. where respiration happens 4. these are used to build up tissues 5. these cells brush dirt or nerves upwards (ciliated cell) 6. where chemical reactions happen 7. a living thing 8. contains cell sap 10. make proteins 11. these cells function is take in water from the soil (this cell is from a plant) 13. controls the cell 15. these cells function to carry oxygen, it has particular shape for this 18. the outer segments of these cells contains a chemical to help you see colour (in the cell) 19. a group of similar cells working together to do the same job 21. these cells functions is to make sugar, it needs chloroplast for this (palisade cell) 23. made of cellulose strength and support