Across
- 4. cells that do not give diseases
- 7. is responsible for testing the use of a crime.
- 8. to cut a vein to withdraw blood
Down
- 1. cells that do give diseases
- 2. self-replicating product present in all living organisms
- 3. A person who supplies living tissue or blood to be transfusion to another
- 5. Related organisms
- 6. To make a surem or vaccine from animal products or other biological sources.