Across
- 4. Type of white blood cells that attacks and digests foreign bodies - the process is called phagocytosis. They are the tough guys of the immune system.
- 6. A leaf that is dried and smoked in cigarettes.
- 7. The most addictive component of tobacco.
- 8. A non-living entity that infects most cells.
- 10. A disease-causing agent. For example, bacteria or viruses.
- 12. Prevents and fights infection. Includes barriers like skin and active parts like antibodies.
- 15. Type of white blood cells that “remember” pathogens. They produce antibodies to attack them. They are the tough “smart” guys of the immune system.
Down
- 1. Conditions and practices that allow people to stay healthy.
- 2. Unicellular organisms. Some are pathogens.
- 3. Something that stimulates the body’s immune system to produce antibodies against a specific pathogen.
- 5. Sexual Transmitted Disease
- 9. A sign of a disease. For example, a cough. It is not a cause.
- 11. A protein found in blood, that binds to foreign bodies, allowing other parts of the system to destroy them.
- 13. Blood Cells Cells that circulate in blood and attack foreign bodies.
- 14. In common parlance, refers to drink containing ethanol.
