Across
- 2. helps move food in the digestive system
- 9. a group of tissues that perform a similar task
- 10. forms tissue that helps move bones
- 11. basic unit of life
- 13. fights disease; hunts and eats germs and bacteria
Down
- 1. carries gas to other parts of the body
- 3. this is the kind of cell that causes the heart to beat
- 4. organisms with one cell
- 5. a group of organs that perform a similar task
- 6. protects body from external injury
- 7. provides support and allows the body to move
- 8. a group of cells that perform similar task
- 12. organisms with two or more cells