The Immune System

1234567891011
Across
  1. 3. A person’s ability to resist or prevent pathogens
  2. 5. The general term for white blood cells
  3. 6. White blood cells produce this
  4. 8. Clots the blood to form scabs
  5. 9. Another word for reaction
  6. 10. The body’s barrier against the external environment
  7. 11. Tiny hairs within the ear
Down
  1. 1. The smallest type of pathogen
  2. 2. Enzyme within the eyes’ tears
  3. 4. A molecule with a specific shape on the surface of a pathogen
  4. 7. Referring to a certain or particular thing