Across
- 3. made up of different tissues working together
- 6. leaf cells are packed with these
- 7. carries oxygen around the body
- 9. things that make a cell different
- 10. where chemical reations take place
- 14. cells that are adapted to do a job
- 16. what a cell does, it's job
Down
- 1. lets substances pass in and out of the cell
- 2. has a streamlined head and a long tail male gamete
- 4. has a large surface area to collect water
- 5. where the genetic material is kept
- 8. made up of different organ systems
- 11. made up of a group of similar cells
- 12. the building blocks of life
- 13. where respiration takes place
- 15. has a jelly layer to attract sperm
- 17. carries electrical messages/impulses