Immunology Vocab Challenge

3. Process where cells (like phagocytes) engulf and digest pathogens.
4. White blood cells that consume harmful microbes.
7. Living defenses like skin and mucus that help block pathogens.
8. Immature immune B cells that have not yet encountered a pathogen.
11. The way pathogens spread from one host to another.
12. Body’s reaction to injury or infection characterized by swelling and redness.
17. Illness caused by germs that can spread to others.
18. Health problems not caused by germs, like allergies or genetic disorders.
19. A condition where the body does not function normally.
20. that includes physical, mental, and social aspects.
21. Single-celled organisms that can be harmful, like those causing malaria.
22. An organism that lives in or on a host and derives nutrients at the host's expense.
23. Microorganism that can cause disease, such as bacteria or viruses.
24. Cells that produce antibodies to fight infections after B cells are activated.

1. Pathogens spread through contaminated water sources.
2. Substances like enzymes in saliva that destroy pathogens.
4. Structures like skin that protect the body from pathogens.
5. Tiny germ that can only reproduce inside a living cell.
6. Cells that release histamine during the inflammatory response.
9. Long-lived cells that remember past infections and respond more quickly during future infections.
10. A chemical released to promote blood flow and increase vessel permeability during inflammation.
13. Organisms like mold and yeast that can cause infections.
14. Single-celled organisms; some can cause disease, while others are beneficial.
15. Transmission via physical touch or closeness between individuals.
16. Droplets that carry pathogens spread through the air.