Across
- 3. is the ability to resist the pathogens
- 4. send dead or weakened pathogens that is introduced into the body so the body can get used to the pathogens
- 6. organism that is small
- 8. germ that cause disease
- 10. condition that interferes with normal function
Down
- 1. they are specific proteins that attach to antigens, keeping them from harming the body
- 2. protects the body while being a cell
- 5. smallest and simplest pathogens
- 7. simple one-celled organisms
- 9. bean-like organ