Good Friends and Germs Vocabulary

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Across
  1. 2. a structure that surrounds the cell; controls the movement of materials into and out of the cell.
  2. 4. the study of how and why diseases occur.
  3. 7. body system that fights disease.
  4. 8. able to be communicated to others.
  5. 11. cannot be passed on to others.
  6. 12. the most common form of one-called organisms
  7. 13. a theory about the relationship between cells and living things.
  8. 14. substances that help destroy harmful microbes.
Down
  1. 1. the structural and functional unit of all living organisms.
  2. 3. a scientist who studies diseases and how they spread
  3. 5. protects and supports the plant cell.
  4. 6. a condition of being able to resist an infectious disease.
  5. 9. a growth of germs in your body.
  6. 10. a type of medicine that kills microbes or prevents them from growing.
  7. 15. a rigidly spreading outbreak of an infectious disease.