Across
- 1. A living thing.
- 4. Plant cell with a large surface area.
- 6. Muscles work in ___ pairs.
- 7. Contains the genetic material and controls the cell.
- 9. A group of cells working together to carry out a function.
- 11. Controls substances entering and leaving the cell (2).
- 13. Something affecting the rate of diffusion.
- 14. Body system made up of nerves.
Down
- 1. A group of organs working together to carry out a function (2).
- 2. Movement of particles from an area of high to low concentration.
- 3. A group of tissues working otgehter to carry out a function.
- 5. Organisms made of only one cell.
- 8. Cell with a tail adapted to swimming.
- 10. Basic building blocks of life.
- 12. Body system made up of bones.