Across
- 3. A chemical that the presence of a disease is caused by
- 5. The process of breaking down food
- 7. The stuff that makes up all living & nonliving things
- 8. membrane Controls what enters the cell
Down
- 1. Made up of chains of fatty acids
- 2. Microscopic cellular organism/virus
- 4. Stores genetic material
- 6. A collection of tissues