Across
- 3. of various water-soluble compounds having a sour taste
- 5. system /The organs responsible for eliminating
- 6. simplest structural unit of an element or compound
- 8. system /The organs that are responsible for
- 12. on free air
- 13. a way of thinking
- 14. organism that makes its own food
- 16. interacting with their physical environment
- 21. of the relations of organisms to their environment
- 23. proteins and package them into vesicles
- 24. the entire body
- 26. containing chlorophyll and other pigments
- 27. materials
Down
- 1. mouth, stomach and intestines
- 2. products from the human body
- 4. all cell activities
- 7. organs that make and send special chemical messengers called hormones
- 9. compounds containing an amino group and acid group
- 10. down
- 11. supporting tissue of an organ (as opposed to parenchyma)
- 15. covering of plant cells that protects and keeps its shape
- 17. system /The blood, blood vessels and the
- 18. on free air
- 19. property of sticking together
- 20. living part of an ecosystem
- 22. that carry on the cell’s processes
- 25. monosaccharide sugar that has several forms