Immune System
Across
- 1. process of "eating" pathogens
- 3. an example of organisms that take advantage of others
- 5. organisms that cause disease
- 8. a new vaccine that most of us have taken in 2021
- 9. cells responsible for cell-mediated immunity
- 10. name of the 1st line of defence
Down
- 2. proteins that help viruses access human cells
- 4. proteins responsible for humoral immunity
- 6. most prominent barrier of the human body
- 7. one of the "messenger" cells