Diseases and immunity

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Across
  1. 3. The arteries that supply blood to the heart
  2. 4. The type of white blood cell that engulfs bacteria
  3. 7. When part of a microorganism or an inactive microorganism is given to make you immune to a disease
  4. 9. These stick onto microorganisms causing them to clump together
  5. 10. The general term for blood cells that help your body fight infections
  6. 11. The shape of the antibody is ........ with the shape of the antigen
  7. 12. Carry blood back from the body to the heart
Down
  1. 1. Type of microorganism, not bacteria or fungi
  2. 2. Describes a disease that can be spread from person to person
  3. 5. Chemical marker on the outside of a pathogen. These are different shape depending on the pathogen
  4. 6. Eating contaminated food can lead to this disease
  5. 8. A general term for microorganisms that can make us ill