Across
- 4. Addictive ingredient in cigarettes
- 6. Tea is an example of what category of drug?
- 9. What type of microorganism causes Covid-19?
- 10. The microorganism that causes malaria
Down
- 1. The type of cells that help destroy and kill antigens
- 2. A mosquito is one. It is the scientific name for an living thing (organism) that carries a parasite
- 3. The largest organ
- 5. How many categories of drugs are there?
- 7. The three classes of drugs
- 8. In Greek it means 'small' living'
- 9. Name for injecting dead or altered antigens