Across
- 3. no charge
- 5. toward back of the body
- 7. study of body cells
- 8. forehead
- 10. negative charge
- 11. tissue a connective tissue
- 13. divides body top and bottom
Down
- 1. in front of
- 2. positive charge
- 4. study of tissues
- 6. divides body left and right
- 9. regulates movement of most substances in and out of cell
- 12. units of the body