Across
- 4. Organ involved in detoxification
- 6. Gas necessary for cellular respiration
- 10. Outer layer of an organ (e.g., brain)
- 12. Substance used to prevent infection
- 13. Chemical messenger in the body
- 14. Agent that causes disease
- 15. Imaging technique for soft tissues
- 16. Microorganisms that can cause infection
Down
- 1. Protein that speeds up biochemical reactions
- 2. Fatty substance in the blood
- 3. Protein that fights infections
- 5. Preventive treatment for diseases
- 7. Organic compound essential for health
- 8. Unit of heredity
- 9. Genetic material in cells
- 11. Fluid portion of blood