Across
- 2. a microorganism that causes disease
- 4. the addictive drug found in tobacco
- 6. anything that causes stress
- 8. involving little physical activity
- 9. having an excess of body fat
- 10. a specific reaction of the immune system to a foreign and frequently harmless substance
Down
- 1. overall sense of well-being
- 3. a protein that acts against a specific antigen
- 5. scarring of liver tissue
- 7. strong, flexible connective tissue