Across
- 3. Called cell drinking. Brings fluids in
- 7. Groups of organs that work together
- 8. Groups of similar cells with common functions
- 11. Binding to a specific site
- 16. Movement moving low to low
- 19. Large. diffuses through protein doorways
- 20. Influences that are balanced
- 21. Highest level of structural orginization
Down
- 1. Diffuses through water
- 2. Uses pseudopods to bring substances into the cell
- 4. 2 or more tissues that perform specific functions
- 5. No energy
- 6. Single cells. Simple Structure
- 9. Are the smallest living unit of all living things
- 10. Removes stuff from cell
- 12. Small. Diffuses through cell membrane easily
- 13. Carries stuff into cell
- 14. Multiple cells. Complex structure
- 15. Movement of substances in passive transport
- 17. Uses energy
- 18. Energy