Across
- 4. the science of the causes and effects of diseases
- 8. a process by which your body's white blood cells and the things they make protect you from infection from outside invaders
- 9. the study of causation or origination
- 10. a protein released by animal cells, usually in response to the entry of a virus
Down
- 1. a blood protein produced in response to and counteracting a specific antigen
- 2. a toxin that is present inside a bacterial cell and is released when the cell disintegrates
- 3. small proteins that are crucial in controlling the growth and activity of other immune system cells and blood cells
- 5. cells that protect the body by ingesting harmful foreign particles
- 6. a toxin released by a living bacterial cell into its surroundings.
- 7. the ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.