Across
- 2. Responds rapidly to pathogens
- 5. Makes T-cells to kill infected cells
- 7. A sticky substance that traps anything trying to enter the ear that could cause an infection.
- 8. Contain enzymes to break down cell walls of bacteria.
- 9. The very first line of defense, acts as a barrier between invaders and your body.
- 11. Occurs when tissues are injured by bacteria, toxins, heat, or anything else.
- 12. Cells that protect the body by ingesting harmful foreign particles, bacteria, and dead or dying cells.
Down
- 1. Proteins that protect you when an unwanted substance enters your body
- 3. Targets and kills infected cells
- 4. Breaks down food and kills bacteria and parasites that have been swallowed.
- 6. A lubricant that keeps your tissues from dying out.
- 10. The transparent part of the eye that covers the iris and the pupil and allows light to enter the inside.
