Immune System Vocab Crossword

12345678910
Across
  1. 3. A specialized protein that binds to an antigen and tags it for destruction
  2. 4. An organism, virus, or protein that causes disease
  3. 6. Tiny particles that have their own genetic material but depend on living things to reproduce
  4. 8. An organism that lives and feeds on another organism
  5. 10. Disease caused by heredity or environmental factors
Down
  1. 1. A disease caused by a pathogen
  2. 2. Some are helpful to living things and some cause disease
  3. 5. The ability to resist or recover from an infectious disease
  4. 7. Made up of tissues and specialized white blood cells that attack foreign substances in the body
  5. 9. They decompose, or break down dead plants and animals for use by other organisms