Lisia

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Across
  1. 3. A foreign substance that triggers the immune system response.
  2. 4. Abnormal proteins that can cause neurodegenerative diseases.
  3. 6. Microscopic germs (bacteria, viruses) causing illness in the body.
  4. 8. Tiny, single-celled organisms, some of which can cause diseases.
  5. 10. immunity Immune system's ability to remember and defend against pathogens.
  6. 11. The invasion and growth of harmful germs in the body.
  7. 12. Shots that help the body develop immunity to specific diseases.
  8. 13. The spread of a disease from one person to another.
Down
  1. 1. Microscopic infectious agent that needs a host cell to reproduce.
  2. 2. Proteins in the body that fight against specific antigens.
  3. 4. A global outbreak of a disease affecting many countries.
  4. 5. A widespread outbreak of a disease in a specific area.
  5. 7. An organism that spreads diseases like mosquitoes carrying malaria.
  6. 9. Body's response to injury or infection, causing redness and swelling.