Across
- 2. Type of white blood cell that remembers pathogens. They produce antibodies to attack them.
- 4. Unicellular organisms. Some are pathogens.
- 6. Type of white blood cell that attacks and digests foreign bodies.
- 8. A leaf that is dried and smoked in a cigarette.
- 9. A non-living entity that infects host cells.
- 11. Conditions & practices that allow people to stay healthy
- 12. Sexual Transmitted Disease.
Down
- 1. The most addictive component of tobacco.
- 3. A disease-causing agent(bacteria or virus).
- 5. In common parlance, refers to drinks containing ethanol.
- 7. Something that stimulates the body’s immune system to produce antibodies against a specific pathogen.
- 10. A sign of a desease(e.g cough) it is not a cause.
