Across
- 5. millions of tiny air sacs in the lungs
- 6. the tiny openings on the bottom of a leaf
- 7. found in meat and eggs are essential for growth and repair of body tissues
- 8. jellylike material in which other parts of the cell float
- 10. transforms energy for the cell
- 13. the ability to replace body parts
- 16. the process of your body system making constant adjustments to maintain a stable environment
- 18. contains the green pigment, chlorophyll
- 19. the diffusion of water through a selectively permeable membrane
- 20. the process during cell division of the genetic material duplicating and then dividing into 2 identical sets of chromosomes
Down
- 1. the loss of water from a plant through evaporation
- 2. organisms with one cell
- 3. a membrane that lets nothing cross it
- 4. the amount of space an object takes up
- 9. the spreading out process as particles redistribute over a larger space
- 11. heat-regulating centre of your brain
- 12. controls most of the cell's activities
- 14. cells with the same structure and function are grouped into this
- 15. iron-rich chemical in blood which attracts oxygen
- 17. contain the cell's genetic material