Across
- 3. restraining from indulging in substances such as alcohol
- 4. unborn young; still in the womb
- 7. a retrovirus that causes AIDS
- 9. drunkenness
- 10. a portion of the population
Down
- 1. sexual relations between closely related people
- 2. a condition caused by poor diet
- 5. the science of heredity
- 6. a cancer causing substance
- 8. to undergo a change
