Across
- 3. Immunity that causes the immune system to produce antibodies active
- 6. Occurs when disease-causing bacteria or viruses enter the body and multiply
- 8. An organism of microscopic size, which may exist as a cone-celled form or as a colony of cells micro-organisms
- 10. Person to person transmission
- 11. Ringworm
- 12. Submicroscopic infectious particle that is technically not alive
Down
- 1. Pediculosis capitis
- 2. Organisms that live o or obtain their nutrients from a host
- 4. Transmission through air or by contact of a contaminated object indirect
- 5. Mold and yeast that may produce contagious diseases
- 7. Virus that can lead to AIDs
- 9. Produced by the immune system